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I apologize for any trouble caused by the unexpected circumstances. Sorry for any inconvenience this may have caused. Kindly accept my sincere apologies for any disruption you might have encountered. Unfortunately, we can't to fulfill your request at this time. Sorry for any disappointment this may cause. Apologies for any inconvenience you may have encountered. I'm sorry if there were any misunderstanding in communication. Please pardon me for any actions have caused any inconvenience. I get it that this must be annoying. Sorry for any frustration you might have elicited. Rest assured that we are working to resolve the matter as promptly as possible. I'm truly sorry for any inconvenience you may have faced due to this circumstance.