phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a15a926a2e7936b6b7083b3be74d34f3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a15a926a2e7936b6b7083b3be74d34f3', -1, 1715349754, 1715349754, '03951ab0', 18, 0, 0)

Line : 187
File : sessions.php