phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '28ccb9b99b65409c2db6d76a26c72851' 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 ('28ccb9b99b65409c2db6d76a26c72851', -1, 1715567944, 1715567944, '1276c107', -4, 0, 0)

Line : 187
File : sessions.php