phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8c91d161988f4e8405a829a9995aeb8' 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 ('d8c91d161988f4e8405a829a9995aeb8', -1, 1753302708, 1753302708, 'd849d8be', -9, 0, 0)

Line : 187
File : sessions.php