Can anyone help me, says i need to see Rules.. to save the change i guess
Switch that option to the "ALL" or "ANY" filters choice. If you just delete the logic in the Advanced Filters box, that won't be enough.
As Bruce suggested, you will have to 'revert back to' one of the values of 'ALL' or 'ANY'.
You can not save the smart list with Advanced Filters box with 'blank' value.
Retrieving data ...