I apologize for any trouble caused by the unforeseen circumstances. My apologies for the inconvenience this may have caused. Please accept my deepest apologies for any disruption you may have experienced. Regrettably, we can't to meet your requirements currently. Apologies for any letdown this may cause.
Sorry for any inconvenience that may have encountered. I apologize if there were any misunderstanding in communication. Kindly forgive me for any actions have caused any inconvenience. I understand that this may be annoying. Apologies for any inconvenience this may have elicited. Rest assured that we are working to solve the matter
as promptly as possible. I'm
truly sorry for any disruption you might have faced due to this circumstance.