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 ('1a1d94fe86149bad7e5d9ada56dc2e73', -1, 1571291797, 1571291797, '12cce3fa', 7, 0, 0)

Line : 218
File : sessions.php