MySQL_class: Database Error occured!

 CODE: 1203
 DESC: User wtzcom_b2busr already has more than 'max_user_connections' active connections
 FILE: index.php
 QCNT: 0
 INFO: Connect(): Connection to localhost failed!

Please inform trade@worldtradezone.com about this problem.
PHP v5.6.38 / MySQL Class v0.36