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 ('b741ad6518d2b40ea4aa1aea6d805b4a', -1, 1575876179, 1575876179, '03e57adb', 6, 0, 0)

Line : 187
File : sessions.php