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 ('fe5e4bd71bb8a06d3961f85ddf1dc0d7', -1, 1571210967, 1571210967, '22ccbf1f', 38, 0, 0)

Line : 187
File : sessions.php