- Use of uninitialized value in concatenation (.) or string at - referer: http://localhost/formular1.html
- SQL ERROR: , referer: http://localhost/formular1.html
- String 'HASH(0x1d966c4)' not allowed in Numeric expression!, referer: http://localhost/formular1.html
 referer: http://localhost/formular1.html
 referer: http://localhost/formular1.html
 SQL ERROR: Couldn't find predicate!, referer: http://localhost/formular1.html
 Execution ERROR: No command found
 Use of uninitialized value in concatenation (.) or string at C:/apachefriends/xampp/cgi-bin/database.pl line 39., referer: Ausfuehren nicht moeglich: at C:/apachefriends/xampp/cgi-bin/database.pl line 39.,