I'm sorry for the inconvenience caused by the unexpected circumstances. Sorry for any inconvenience this may have brought about. Kindly accept my sincere apologies for any inconvenience you might have encountered. Regrettably, we can't to meet your requirements currently. Apologies for any letdown this may cause. Apologies for any inconvenience that may have encountered. I apologize if there were any confusion in sharing information. Please pardon me for any actions have caused any inconvenience. I understand that this may be frustrating. Sorry for any frustration this may have elicited. Rest assured that we are working to resolve the issue as quickly as possible. I sincerely apologize for any inconvenience you may have faced due to this circumstance.