phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78ab98f1c5e2451d195f839a8cd7d783' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('78ab98f1c5e2451d195f839a8cd7d783', -1, 1715786367, 1715786367, '127566cd', 0, 0, 0)

Line : 187
File : sessions.php