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 ('589e6ad40ff065274dc929e98f66fd10', -1, 1568906369, 1568906369, '23afbf96', 66, 0, 0)

Line : 187
File : sessions.php