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 ('f2f727856cf7183c3c97e71d8b77b676', -1, 1529638702, 1529638702, '36a68d0c', 7, 0, 0)

Line : 219
File : sessions.php