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 ('af776f06b4f7dac9384ebb070fc17b30', -1, 1566626478, 1566626478, '23ad30e0', 3, 0, 0)

Line : 187
File : sessions.php