phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '778e5bf021290acd1760fa23b1c40c78' 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 ('778e5bf021290acd1760fa23b1c40c78', -1, 1715723340, 1715723340, '12bf5421', -1, 0, 0)

Line : 187
File : sessions.php