Error on Creating character

[Relidy]

When the player go create a character he receive this message but the character has been created...

Fatal error: Uncaught exception 'E_OTS_NotLoaded' in C:\Documents and Settings\Daniel\Meus documentos\xampp\htdocs\pot\OTS_Player.php:1866 Stack trace: #0 C:\Documents and Settings\Daniel\Meus documentos\xampp\htdocs\accountmanagement.php(922): OTS_Player->getSkill(0) #1 C:\Documents and Settings\Daniel\Meus documentos\xampp\htdocs\index.php(141): include('C:\Documents an...') #2 {main} thrown in C:\Documents and Settings\Daniel\Meus documentos\xampp\htdocs\pot\OTS_Player.php on line 1866

How i can fix this?