Do you have the following for line 458 of the PhotoPlog functions.php file, and if so, do you have any modification that affects the navbar or the vB fetch_template function? When you see "
eval()'d code on line 204" as part of an error message, that usually indicates that there is a problem with a plugin, line 204 of the plugin in this case, but as there is no hook on line 458 of the PhotoPlog functions.php file, the error might be coming from some modification that affects the navbar or the vB fetch_template function where in_array is used as part of the modification.
Code:
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