I'm terribly sorry for any misunderstanding.

Meaning

Apologizing for a communication error.

Examples

• John: 'I think there's been a miscommunication, Alice.'
• Alice: '<b>I'm terribly sorry for any misunderstanding</b>. Let's clarify things.'
• John: '<b>I'm terribly sorry for any misunderstanding</b>. Let's go over it again.'
• Alice: 'There seems to be confusion, John.'