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Questions tagged [trailhead]

Trailhead is an interactive learning path through the basic building blocks of the Salesforce1 Platform. https://developer.salesforce.com/trailhead

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17 views

Einstein Dataset Creation issue - Invalid File Format

I am trying to create a dataset and train as per the below trailhead topic(https://trailhead.salesforce.com/content/learn/projects/build-a-cat-rescue-app-that-recognizes-cat-breeds/cat-recognition-app-...
2
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1answer
25 views

My Salesforce free trial is about to expire. Will my trailhead playground expire with it too?

My Salesforce free trial is about to expire. The current account shows username same as my Trailhead Playgroud username. If it so happens that my trial period expires tomorrow, will my playground be ...
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0answers
24 views

An inactive user with 'guestadmin' in the username was not found [closed]

I can not fix my Trailhead challenge. I created a user with below details: Full Name : jackywang, FFEE Alias : fjack Username : guestadminzzzz@163.com Last Login : Role : Active : true Profile : ...
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0answers
33 views

Unable to access Trailhead

Recently I quit a company but my trailhead account's email was my company mail id. Now when I tried to login to trailhead, it is asking for Verification Code sent to my company id which no longer ...
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1answer
77 views

No MODULE named markup://c:bearTile found

I'm following this trailhead step-by-step but I got an error which I don't know how to resolve. I found this similar question but the suggested solution is already implemented on my code, please ...
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2answers
44 views

What will happen if I won`t complete a maintenance module?

Right now I have a Platform Developer I Certificate. But I am not working with the Salesforce right now and do not plan to work with it in the near future. So, from my perspective it seems redundant ...
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1answer
86 views

Trailhead : Lightning Web Components basic error when deploying

Can't create lightning component bundle if there is already an aura definition bundle with the same name and namespace. Cannot find Lightning Component Bundle paginator. force-app\main\default\...
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1answer
33 views

[Trailhead][Apex Rest Callout] I failed run test because of JSONException

When I studied Apex REST Callouts, I faced with JSONException in Test Callouts section. How can I solve this problem? I made prerequisites(AnimalsCallouts.cls, Static Resource) and made test class(...
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1answer
20 views

Trailhead Error: Protect Your Data in Salesforce -> Restrict Login Hours and IP Ranges

I have started this challenge in 2 separate orgs - this last one is brand new. I have 2 issues that I'm getting error messages on: 1: The IP Address instructions cannot be followed: Enter these ...
1
vote
1answer
124 views

VisualStudio Code not getting option “Deploy Source to Org”

I am starting to learn LWC and trying to create the HelloWorld example as described in in trailhead. I have followed all the steps mentioned in the trailhead but I don't get the option SFDX:Deploy ...
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1answer
33 views

Trailhead Playground for Certification Maintenance Exams

Can I use Trailhead Playground to complete Certification Maintenance Exam?. I couldn't able to complete the Maintenance Exams with my developer edition due to Namespace Prefix.
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1answer
19 views

Trouble completing the Trailhead Challenge

I enabled namespace prefix in my developer edition which is causing an issue in completing the maintenance exam. I know that we cannot delete the namespace prefix. Let me know other alternatives to ...
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0answers
59 views

Creating a Lightning component - Getting the error - API Name undefined is invalid

I am doing the following module in Trailhead- Build a Conference Management App > Create a Lightning component I am getting the error - API Name undefined is invalid, did you mean "Speaker__c?" I ...
2
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1answer
132 views

Salesforce Einstein - Create and Train the Dataset - Trailhead Challenge

Trailhead consists of creating a Dataset with the given URL(https://developer.salesforce.com/files/Cats.zip) But how can we create our own Dataset, if we have all the images in Local system.
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0answers
22 views

Can't create scratch org [duplicate]

Going through Trailhead Push and Deploy Lightning Web Component Files chapter. Can't create scratch org. Used visual studio pallette command or just sfdx command. Getting error: Failed to ...
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0answers
5 views

There is a way to see all the trailmixes created by a Trailhead user?

My goal is to see all the official trailmixes, most of them created under the Salesforce Trailhead account. However, it will also be good to find a general solution to find all the trailmixes created ...
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1answer
75 views

Trailhead - Apex SOAP Callout

I'm new in salesforce and I'm learning through the trails. Doing the Apex Integration Services module, in the Apex SOAP Callouts unit I had to get info from outside salesforce. It asked me this: ...
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1answer
23 views

Start trailhead with specific modules from sandbox for user training

I´d like to set specific modules for final users, I´m going to give a training session about a new implementation in SF. For many users it´s the first time they use Salesforce even for some of they, ...
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1answer
153 views

trailhead module-----Create an Apex class that returns contacts based on incoming parameters

public class ContactSearch { public static list<contact> searchForContacts(string lastname,string MailingPostalCode) { list<contact>ContactList=[select id,name,lastname,...
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1answer
719 views

Ensure sharing rules from the calling class are enforced for the the 'UtilityClass' Apex class

Getting below error while attempting Winter 19- Platform Developer Maintenance exam Hands on Challenge. Ensure sharing rules from the calling class are enforced for the the 'UtilityClass' Apex ...
0
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1answer
345 views

Trailhead Superbadge - Lightning Experience Reports & Dashboards Specialist

Challenge 6 As far as I can tell I have completed the following: Compare average kWh and average panel temperature by SolarBot model on another axis Place categories on the X-axis, with count on the ...
4
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2answers
114 views

VS Code, is there a trail regarding installation of JRE8?

Working through "Build Lightning Web Components" trail on Trailhead. I completed the Quick Start project, setting up both my DX environment and configuring VS Code. Somehow I completely overlooked ...
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2answers
117 views

Create a validation rule to check that a contact is in the zip code of its account

I think i misunderstood validation rules, so i answered the following challenge creating a validation rule that only applies if the insertion is different for what i write in the rule: AND(ISBLANK( ...
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2answers
652 views

Unable to Authorize Salesforce org using SFDX : Trailhead

Installed VS code , Salesforce CLI. iam doing salesforce trailhead Lightning web components. when i Authorize an org, keep on getting ERROR: getaddrinfo ENOTFOUND login.salesforce.com login....
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0answers
330 views

Lightning Web Component error : afterRender threw an error in 'c:bearList' [e[Ei] is not a function]

In trailhead Build a Bear-Tracking App with Lightning Web Components (https://trailhead.salesforce.com/content/learn/projects/lwc-build-flexible-apps/record-list?trail_id=build-lightning-web-...
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1answer
484 views

Trailhead : Lightning Web Components basic error when deploying to devhub

Hello I have the following errors when trying to deploy ebikes to devhub : === Deploy Errors PROJECT PATH ERROR ──────────── ─────────────────────────────────────────────────────────────────────────...
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1answer
141 views

unable to create project in vscode

Facing problem to complete this trailhead trail ( https://trailhead.salesforce.com/content/learn/projects/quickstart-vscode-salesforce/use-vscode-for-salesforce ) I have installed Salesforce CLi and ...
0
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1answer
152 views

SFDX - Lightning Web Components trailhead issue - Scratch Orgs being created as Sandboxes

I'm working my way through the "Lightning Web Components Basics" trailhead and I've been directed to the following resource: https://github.com/trailheadapps/ebikes-lwc#installing-e-bikes-using-...
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vote
1answer
160 views

Error: Invalid conversion from runtime type Map<String,ANY> to List<ANY>

While I am working on my Apex Specialist super badge, I am got this error message while I am testing my WebService class. Here is the Callout class: public with sharing class WarehouseCalloutService {...
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1answer
36 views

How can I open a trailhead playground on my desktop browser in mobile view?

I'm training using trailhead.salesforce.com and I want to check my playground in mobile view without the need of using a smartphone. There is a way to connect to playgrounds in mobile view with a ...
0
votes
1answer
52 views

Salesforce DX Trail - scratch org is not found locally

I've been following this trail here: https://trailhead.salesforce.com/en/content/learn/projects/quick-start-salesforce-dx/create-and-test-our-scratch-org?trail_id=sfdx_get_started and have run all the ...
1
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2answers
170 views

on trailhead facing issue Error: Faraday::ClientError. Message

On this trailhead ( https://trailhead.salesforce.com/content/learn/projects/quickstart-lightning-components/quickstart-lightning-components3 ). when i click on the verify button it's throwing error ...
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0answers
150 views

Stuck in “Connect components with events”

############################################CampingListForm.cmp <aura:component > <aura:registerEvent name="addItem" type="c:addItemEvent"></aura:registerEvent> <aura:...
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1answer
110 views

Getting to 100 percent code coverage on my trailhead module “Write Negative Tests Unit”

I seem to be stuck on this trailhead module or write negative tests unit, while I have 93 percent code coverage, I can't seem to get the code coverage to hit 100 percent at the "returnValue" piece ...
0
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1answer
20 views

Are there any good resources to learn force.com sites? Like blogs, Video tutorials etc? [closed]

I need to learn force.com sites development. There are no trailheads as far as I know. So are there any blogs or video tutorials to help me learn this?
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2answers
397 views

How to rename a Trailhead Playground?

I have a dozen of playgrounds (one per super badge) and wondering if it is possible to rename them and give a meaningful name (other than 'My Trailhead Playground #'). What are the steps to rename a ...
3
votes
1answer
1k views

The max apiVersion is 44.0 error

Trying to work through the Quick Start: Lightning Web Components trailhead and getting the following error while running command: force:org:create -f config/project-scratch-def.json --setalias ...
1
vote
1answer
25 views

how to categorize solutions

i am solving https://trailhead.salesforce.com/en/content/learn/superbadges/superbadge-lex-rd this superbadge for this i need to create solution and store that solution in category i have created ...
1
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1answer
265 views

Setup Screen of Trail Tracker in Salesforce

I wanted to know when you go into the Setup Screen for Trail Tracker in Salesforce it asks for Credentials. I wanted to confirm what credentials it requires (is this the org that users are completing ...
0
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1answer
222 views

'Trailhead Lightning Component Basics: Connect Component with Events' - controller isn't calling 'saveItem'

It works when I test it but I'm getting the following Trailhead error: The campingList JavaScript controller isn't calling 'saveItem' in the Apex class to save the record or setting the 'item' as a ...
1
vote
1answer
331 views

Authoring a Negative Test Class for a Calculator Class

I seem to be stuck on this trailhead section on writing negative test classes. I have the class authored as follows but as this doesn't seem to reference an sObject, I am wondering what steps to take ...
0
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1answer
217 views

OAuth Error when attempting to Deploy the ApexMocks open source library in Trailhead unit 'Apply Unit of Work Principles in Apex'

I'm logged in to Trailhead as myself and working on this unit: https://trailhead.salesforce.com/content/learn/modules/apex_patterns_sl/apex_patterns_sl_apply_uow_principles Scroll to 'Preparation for ...
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1answer
88 views

How to get the name of the relationship for inner queries in SOQL? [duplicate]

In Trailhead we have the query to get the Contacts for the Account named "SFDC Computing", with an inner query. SELECT Name, (SELECT LastName FROM Contacts) FROM Account WHERE Name = 'SFDC Computing'...
0
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1answer
275 views

Trailhead Help: Map Your Workflow Criteria to Process Criteria

https://trailhead.salesforce.com/modules/workflow_migration/units/workflow_migration_criteria CTRL+F: Enter Top, select Top Account, then click Choose "Enter Top, select Top Account, then click ...
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1answer
165 views

the path specified is not a directory or doesn't contain a package.xml

I don't understand what is wrong in "Convert the Source and Push It to a New Scratch Org" from trail "Convert and Deploy an Existing App". I get this error: the path specified is not a directory or ...
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0answers
157 views

webassessor is already linked to unknown Trailhead account

I want to link my webassessor account with the trailhead. Since this is the first time i will be linking a trailhead. i am facing some weird issue. my webassessor is already being linked to a ...
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0answers
444 views

Trailhead: Connect Components with Events giving error

I am learning lightning through Trailheads, but I am getting an error for the Connect Components with Events module. I am getting the following error. The campingList component appears to be ...
0
votes
1answer
90 views

Trouble finishing Challenge: Extend Reports with Dashboards and Apps (Error ID: MPPOFXLH)

Trying to complete this challenge, came accross this error: Challenge not yet complete... here's what's wrong: There was an unexpected error while verifying this challenge. Usually this is due to ...
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1answer
1k views

Lightning Experience Rollout Specialist Challenge 10

Need some help with one of the superbadges. I've been trying to complete the LEX Rollout Specialist (https://trailhead.salesforce.com/en/superbadges/superbadge_lex_rollout) but I keep getting the ...
0
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2answers
271 views

Sign Up for a Trailhead Playground with Einstein Lead Scoring

By following the below steps from Salesforce Trailhead "Sign Up for a Trailhead Playground with Einstein Lead Scoring", I am able to create a new org with Einstein Lead Scoring. But while verifying ...