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 ('82e6f6e9de96d68b6ea09ff03d09c2e9', -1, 1571512797, 1571512797, '64187ae4', 23, 0, 0)

Line : 218
File : sessions.php