phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4bfd6ea808ea11a2c9b7f9668b0444a' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c4bfd6ea808ea11a2c9b7f9668b0444a', -1, 1739682038, 1739682038, '126109ab', -8, 0, 0)

Line : 187
File : sessions.php