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 ('3f6034b386baf96c1e665ae55b355b8e', -1, 1574166347, 1574166347, '23af78ae', 35, 0, 0)

Line : 187
File : sessions.php