Can't open '>MatchedFalseFriends.txt' for writing: 'Invalid argument' at Script.ExtractionofCognates.1.0.5.2012.06.28.pl  line 25

#and
Can't open '>OutputNonMatchedWords.txt' for writing: 'Invalid argument' at Script.ExtractionofCognates.1.0.5.2012.06.28.pl  line 25