I think there's been a miscommunication.

Meaning

There seems to be a communication error.

Examples

• John: I received conflicting instructions.
• Alice: Yes, <b>I think there's been a miscommunication</b>. Let's clarify things.
• John: Perhaps we should review the email chain. <b>I think there's been a miscommunication</b> somewhere.
• Alice: Agreed, let's do that now.