Filter Errors

Here is the exhaustive list of all Filter Errors you can encounter (filters are only available for ImportJSON)

ErrorsReasonTips
#FILTER_RETURNS_NULLThe function could not locate the element described by one or several filters. This is mainly because the content you are looking for using the filter is not given into the JSON. 
#ALL_FILTER_RETURNS_NULLThe function could not locate the element described by ALL the filters. This is mainly because the content you are looking for using the filters is not given into the JSON. 
#FILTER_NOT_FILLEDNo filter has been specified
#SELECTOR_NOT_VALID
#ALL_SELECTORS_NOT_VALID
#EVALUATION_FAILEDYour filter may not be valid.Make sure all the filters are written correctly.