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 ('9eab7b528c8219daf47582a1b3d7c115', -1, 1566779187, 1566779187, '22ec2692', 0, 0, 0)

Line : 187
File : sessions.php