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 ('16a37ba94e2181fa763ac209a658769f', -1, 1566753765, 1566753765, '23afc804', 18, 0, 0)

Line : 187
File : sessions.php