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 ('f2ea6f764b1e8e9d62040a6af5492da3', -1, 1566683825, 1566683825, '22ec2692', 20, 0, 0)

Line : 187
File : sessions.php