phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6bcefb6e0c44b48cf2e20cc252b5df4c' 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 ('6bcefb6e0c44b48cf2e20cc252b5df4c', -1, 1752769077, 1752769077, 'd849d85f', -9, 0, 0)

Line : 187
File : sessions.php