phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8773ca1f43551af86fe0cc04136a073' 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 ('d8773ca1f43551af86fe0cc04136a073', -1, 1766204581, 1766204581, 'd849d820', -2, 0, 0)

Line : 187
File : sessions.php