Mariadb Errors such as the one below are filling up db.log to the tune of 10GB per day. There's plenty of disk space. Any suggestions on how to correct this?

[2019/01/26 15:14:11 -0800] poller.php(156776): Failed dbQuery (#1114 - The table 'ports_cbqos' is full),
Query: INSERT INTO `ports_cbqos` (`device_id`,`port_id`,`policy_index`,`object_index`,`direction`,`PrePolicyPkt`,
`PrePolicyByte`,`PostPolicyByte`,`DropPkt`,`DropByte`,`NoBufDropPkt`) VALUES ('132','11977','301990276','301990277','output','0','0','0','0','0','')