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 ('255d7a1a22630b89d3e3424eeee4d16f', -1, 1575880071, 1575880071, '03e57adb', 39, 0, 0)

Line : 187
File : sessions.php