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 ('71e40b8b9999ec0203ffe115d80ba301', -1, 1575981730, 1575981730, '035f83d0', 18, 0, 0)

Line : 187
File : sessions.php