I'm afraid that's beyond my capabilities.

Meaning

I can't help because I lack the necessary skills.

Examples

• John: '<b>I'm afraid that's beyond my capabilities.</b> It requires specialized IT knowledge.'
• Alice: 'Could you fix this technical glitch?'<br>
• John: 'Could you assist with this advanced statistical analysis?'<br>
• Alice: '<b>I'm afraid that's beyond my capabilities.</b> My statistical skills aren't advanced enough for this.'