A couple of days ago all user see a blank scree when try to access to JomSocial Frontpage.
HI, Juan.
Thank you for contacting us.
Please, upgrade privileges for user "jomsocial" as I need to access your site Global Configuration to investigate this issue further.
HI, JUan.
Issue was/is in Joomla!. It happens when user has Spanish diacritic signs in username or login.
XML-RPC Error (15058501): The given username contains invalid characters | ERRORCODE: invalidusername
There is user Nicolas. I edited his username and now site loads normal.
This is rather Joomla! or your database related issue.
HI, JUan.
No problem at all ;)
Cheers :)