I have a slight issue with...

Meaning

Pointing out a problem subtly.

Examples

• John: The color is not quite right.
• Alice: Oh? What's wrong with it?
• John: <b>I have a slight issue with</b> the shade of blue. It's a bit too dark.
• Alice: I see. Yes, perhaps it is. <b>I have a slight issue with</b> it too. Let's try another option.