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 ('f10801e63994768aba674b42c9ac59a4', -1, 1553514570, 1553514570, '22cc3404', 12, 0, 0)

Line : 187
File : sessions.php