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 ('429c8dc8902b0e6d834ad3c28a9ffc43', -1, 1571270291, 1571270291, '03e7e46d', 4, 0, 0)

Line : 218
File : sessions.php