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I'm sorry for the inconvenience caused by the unforeseen circumstances. Sorry for the inconvenience this may have caused. Kindly accept my deepest apologies for any inconvenience you may have experienced. Unfortunately, we can't to meet your requirements currently. Apologies for any letdown this may bring. Sorry for any inconvenience you may have encountered. I'm sorry if there was any confusion in communication. Please forgive me for any actions have caused any inconvenience. I understand
that this may be annoying. Sorry for any inconvenience you might have
elicited. Please be assured that we are doing our best to resolve the matter as promptly as possible. I sincerely apologize for any disruption you might have faced because of this situation.