I apologize
for any trouble caused by the unforeseen circumstances. Sorry for any inconvenience this may have caused. Please accept my deepest apologies for any disruption you may have experienced. Unfortunately, we are unable to meet your requirements currently. Sorry for any letdown this may bring. Apologies for any trouble you may have encountered. I apologize if there was any misunderstanding in sharing information. Please pardon me for any actions have brought about disruption. I understand that this may be frustrating. Sorry for any frustration you might have elicited. Please be assured that we are doing our best to solve the issue as quickly as possible. I sincerely apologize for any inconvenience you might have faced because of this circumstance.