I got a user that can't connect to SF from the Tablette Application, a custom App ;
The Tablette Application is in connected Apps :
And when I Manage it, I find this and that's what I transmitted :
But I see that I have 'Token Valid for 0 hour' And I'm not sure of the use of 'Initial Access Token for Dynamic Client Registration' ...
I'm missing something obvious, but I'm not used to connecting apps, I'm reading documentations but can't understand why the data I gave to the user of the connected App didn't work !
EDIT 26/06/2019 :
I'm trying with SOAPUI but still nothing, I read this article, and this is the results :