phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5a6e5515c72144a054dad398208623e4' 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 ('5a6e5515c72144a054dad398208623e4', -1, 1769671265, 1769671265, 'd849d86e', 1, 0, 0)

Line : 187
File : sessions.php