phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3d90a6c3dd1eb64237755daceef8fa77', -1, 1566792031, 1566792031, '22ec2692', 37, 0, 0)

Line : 187
File : sessions.php