When you add a new user (in vTiger CRM v5.4.0) then it is possible that you can select a language setting e.g. “English GB” that has a non-existent translation file. If you do this then that user will get the error message,
Sorry! Attempt to access restricted file.
on a blank screen after they log on. They will stay in this state forever until the logon cookie is removed or the language file is created. The language files exist under the path,
To fix this you must either
- upload the correct language file or
- use another browser and go in as a working user e.g. admin and reset the language to a known working language e.g. English US or
That should solve this first-day-of-use problem.