Comment to Should I worry about this PHP Error/Notice
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I will try....; LeonidS , do you know is the categories in one DB table or in more then one?
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In the common case, the categories from the data lists are stored in `sys_form_pre_lists` table like others. Recently we also added the multi-categories from the `sys_categories`. So for the normal resolution of this trouble, it better to track the mentioned case with the records of `sys_objects_category` table.
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