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 ('e4119b80770e31937d6ff975ff4ae63e', -1, 1527037024, 1527037024, '36a2b8d6', 11, 0, 0)

Line : 211
File : sessions.php