I think there might be a misunderstanding.

Meaning

Addressing a possible miscommunication politely.

Examples

• John: I thought we agreed on the deadline.
• Alice: <b>I think there might be a misunderstanding</b>. I believe we discussed a different date.
• John: Oh, really? Let's review the email again.
• Alice: Yes, please. <b>I think there might be a misunderstanding</b> about the project scope too.