phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6c66a3534d0590a23f25c52e3968dc60' 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 ('6c66a3534d0590a23f25c52e3968dc60', -1, 1767875014, 1767875014, 'd849d887', 1, 0, 0)

Line : 187
File : sessions.php