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Hello, I have got question - what should I do if board shows error:

Warning [2] array_merge() [function.array-merge]: Argument #1 is not an array - Line: 295 - File: inc/class_session.php PHP 5.2.12 (Linux)

AND

File Line Function
[PHP] errorHandler->error
/inc/class_session.php 295 array_merge
/inc/class_session.php 73 session->load_user
/global.php 56 session->init
/index.php 19 require_once

?

Hi, I'm administrator in the same forum as the user Watt,

This error occurs when the user wants to login, I do not know what to blame.

Sorry 4 English...

Can you look in phpMyAdmin, in the usergroups table, and make sure that all the default usergroups are there?? Guest, with a gid of 1, is probably missing.