When i submit a thread i received some error
 

Hi Team,
When i submit a thread i received some error please check and help me how to solve these

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in [path]/includes/class_bootstrap.php(414) : eval()'d code on line 108

Warning: array_unique() expects parameter 1 to be array, null given in [path]/includes/class_bootstrap.php(414) : eval()'d code on line 108

Warning: implode() [function.implode]: Invalid arguments passed in [path]/includes/class_bootstrap.php(414) : eval()'d code on line 108
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Which vBulletin version?
I assume it's a plugin causing this which uses the hook parse_templates. Check your plugins which use that hook and disable them one by one until the error is gone.