After upgrading from 4.7.11 to 4.7.13 (with Drupal 7.51), I get à 500 error (Internal Server Error) on an ajax call when attempting to create a new mailing. The screen stucks at "Initializing..."
- The message in the console is : GET XHR http://dev.lists.sciences-po.fr/fr/civicrm/ajax/rest [HTTP/1.1 500 Internal Server Error 381 ms]
- Parameters are : action=get&entity=MailingGroup&json={"mailing_id":"6"}
- There are some similar ajax call before and after the faulty one, without any problem.
- There are no javascript error except this one.
- There are no group in the civicrm_mailing_group table
Have you got an idea of debug tests I could run to understand more about this error ? I know, I definitely need to read the server logs, but I don't have access.
Thanks for your help.
Philippe