I apologize for the inconvenience caused by the unforeseen circumstances. Sorry for the disruption this may have caused. Kindly accept my sincere apologies for any inconvenience you might have encountered. Regrettably, we are unable to fulfill your request currently. Sorry for any letdown this may cause. Sorry for any inconvenience you may have arisen. I apologize if there were any misunderstanding in sharing information. Kindly pardon me if my actions have brought about any inconvenience. I get it that this may be frustrating. Sorry for any frustration you might have caused. Please be assured that we are working to resolve the issue as promptly as possible. I'm truly sorry for any inconvenience you may have faced because of this situation.