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 ('8946408c3a12c981441ce0deb0467d10', -1, 1545199369, 1545199369, '3437b173', 13, 0, 0)

Line : 187
File : sessions.php