phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8c6d6463b718415079eaec0846f0738f' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8c6d6463b718415079eaec0846f0738f', -1, 1715768683, 1715768683, '12dd911b', 4, 0, 0)

Line : 187
File : sessions.php