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 ('797cd17ca1b82f8bdd458baccd314fc6', -1, 1579447501, 1579447501, '22ccc84a', 24, 0, 0)

Line : 187
File : sessions.php