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 ('1a869f3581931a6b5cf5239c096d3474', -1, 1553220288, 1553220288, '36a68554', 0, 0, 0)

Line : 187
File : sessions.php