I apologize for any trouble caused by the unexpected circumstances. Sorry for the disruption this may have caused. Please accept my sincere apologies for any disruption you may have experienced. Regrettably, we can't to meet your requirements at this time. Sorry for any letdown this may bring. Apologies for any trouble that may have arisen. I apologize if there were any misunderstanding in sharing information. Please forgive me for any actions have caused disruption. I get it that this must be annoying. Apologies for any inconvenience you might have caused. Please be assured that we are working to solve the matter as promptly as possible. I sincerely apologize for any inconvenience you may have faced due to this situation.