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 ('19ca0731084a6e3da61d16e64ea27559', -1, 1573950860, 1573950860, '12cdb055', 38, 0, 0)

Line : 187
File : sessions.php