phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd8b815cfc7f3d48cf6251239a5973f6a' 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 ('d8b815cfc7f3d48cf6251239a5973f6a', -1, 1713537167, 1713537167, '030f0a89', -4, 0, 0)

Line : 187
File : sessions.php