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 ('8b8689a2136f3f62cb56f7ec036ea459', -1, 1575895006, 1575895006, '23aa51d2', 55, 0, 0)

Line : 187
File : sessions.php