phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8d8765a87df8157f162b221f61b9b051' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8d8765a87df8157f162b221f61b9b051', -1, 1752984131, 1752984131, 'd849d86e', -9, 0, 0)

Line : 187
File : sessions.php