I created an addError() method in a trigger with a custom error message like so:

item.addError('Hey! You aren't authorized to do that!');

I have also received error emails like so:

Dear Admin,
Apex script unhandled trigger exception by user/organization...(etc)
FIELD_CUSTOM_VALIDATION_EXCEPTION, Hey! You aren't authorized to do that!: []

I suppose I have two questions:

  1. Am I getting this email because of the addError() message? I looked here and didn't see it mention anything about getting an email, but because it has the same message I have to assume it is correleated.
  2. If it is because of that addError() message, is there a way to turn the email off?
  • the error message says occurring in a trigger but you state you coded in a controller – cropredy Aug 12 '16 at 17:24
  • Sorry, I meant trigger. I will edit that now. – Curious Blueprints Aug 12 '16 at 17:24
  • in what context is the trigger invoked -- standard user interface, some VF controller, some REST class, etc? – cropredy Aug 12 '16 at 17:27
  • Normally, the trigger is invoked from saving a record on a VF page. – Curious Blueprints Aug 12 '16 at 17:27

No, addError doesn't send emails. You have code that does something with "allOrNone" set to true, without a try-catch block, and so it's failing.

The "Last Modified By" user is the one that receives exceptions for a given unit of code, and there's no way to disable that.

Start catching your exceptions, and you'll stop getting the emails.

  • Yep. It was a not-often used controller that I didn't think to look at. No try-catch. Thanks again. – Curious Blueprints Aug 12 '16 at 17:35

Using a VF controller, and doing DML, you need the following syntax to avoid the email

   public PageReference mySave() {
      try {
        update theRecord;
      catch (DMLException e) {
        ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR,e.getMessage()):

The standard UI will catch DML errors, as will Data Loader - but custom Visualforce DML will not


You have to throw error, it will stop execution of further code. You will got mail by this approach.

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