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 ('08d5da434385af77ca8fe5f3e1f20187', -1, 1566196791, 1566196791, '03e2fbcd', 65, 0, 0)

Line : 187
File : sessions.php