Better text for error loop

[albertlast]

Because of https://www.simplemachines.org/community/index.php?topic=581859.0 and https://www.simplemachines.org/community/index.php?topic=581859.0 i notice that the text of error loop got not enough information for support. So i extend the error message, to provide admin/support more information about the issue.

Possible we could do more here, but i guess this is good way to help.

[albertlast]

@sbulen also this could be part of the next release