phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8ddad98cde39c4eb477f7390a44254ce' 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 ('8ddad98cde39c4eb477f7390a44254ce', -1, 1757751259, 1757751259, 'd849d863', 8, 0, 0)

Line : 187
File : sessions.php