I'm sorry for any trouble caused by the unforeseen circumstances. Sorry for any inconvenience this may have brought about. Kindly accept my sincere apologies for any disruption you might have encountered. Regrettably, we can't to meet your requirements currently. Apologies for any disappointment this may cause. Apologies for any trouble you may have arisen. I'm sorry if there were any misunderstanding in communication. Please forgive me for any actions have brought about disruption. I understand that this must be annoying. Apologies for any frustration this may
have caused. Please be assured that we are working to solve the issue as quickly as possible. I'm truly sorry for any inconvenience you may have faced due to
this circumstance.