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 ('ccd911ec4c3281cef5f9b2c70a88ee5c', -1, 1574289378, 1574289378, '23acc331', 4, 0, 0)

Line : 187
File : sessions.php