13 Pattern too long or too many approximation errors 14 Approximative Find Error 15 Regular Expression Error 16 No regular expression provided 17 Missing ] 18 Empty closure in beginning of pattern 19 Illegal closure after special character 20 Null pattern inside \<\> 21 Too many \(\) pairs 22 Null pattern inside \(\) 23 Unmatched \) 24 Cyclical reference in tag \number 25 Undetermined reference 26 Unmatched \( 27 Soundex Error