Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'extID' cannot be null' in /home/xpetrosyan/public_html/mgdavprivateserver/database/incl/lib/mainLib.php:301 Stack trace: #0 /home/xpetrosyan/public_html/mgdavprivateserver/database/incl/lib/mainLib.php(301): PDOStatement->execute(Array) #1 /home/xpetrosyan/public_html/mgdavprivateserver/database/incl/levels/uploadGJLevel.php(127): mainLib->getUserID(NULL, '') #2 {main} thrown in /home/xpetrosyan/public_html/mgdavprivateserver/database/incl/lib/mainLib.php on line 301