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 ('27c98f75f7c4eaccbd045c833ef6165a', -1, 1574172086, 1574172086, '23af78ae', 36, 0, 0)

Line : 187
File : sessions.php