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 ('4b667e9c903ddbc6bfdfc0ba3a72a343', -1, 1575991638, 1575991638, '22e1c290', 25, 0, 0)

Line : 187
File : sessions.php