phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8fd74c1b9eccd4b79a1085fee84cc42' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c8fd74c1b9eccd4b79a1085fee84cc42', -1, 1776576524, 1776576524, 'd849d992', -4, 0, 0)

Line : 187
File : sessions.php