invalid claim

13 LETTERS · STARTS WITH I

invalid claim is a valid 13-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1V4A1L1I1D2C3L1A1I1M3

1 + 1 + 4 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 3 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does invalid claim mean?