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 ('d1c9a604a5c8e5a88ef387d23bb0d4d0', -1, 1529474948, 1529474948, '36c69e18', 3, 0, 0)

Line : 219
File : sessions.php