Hi, Here the problem : If I try to fill a custom user field, like Windows Live which has an email match requirement, I get an internal server error. - I have the latest XF version. - There is not entry in the Server Log Error. - Tried to disable all my addons. - It seems to happen with URL match requirement too. - PHP Version 5.4.4-2 (but can't change that) - Apache 2.4.2 (unix) EDIT: - In Apache log, I have such error : - In Php log : Here a screenshot : and the error in the console : Any ideas ?