FilterParseError

If a Filter object fails to parse the textual filter string you provide, you can retrieve this object from the Filter.lasterror property to find out what went wrong.

Property Name	Return Type	Description
length	int	Returns the length of the token that caused the parsing error.
message	string	Returns the error description.
position	int	Returns the position of the parsing error in the input string.
token	string	Returns the token that caused the parsing error.