phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15976737f9c621640af04c0da9d4acb9' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('15976737f9c621640af04c0da9d4acb9', -1, 1715329570, 1715329570, '127768ee', 0, 0, 0)

Line : 187
File : sessions.php