Split Bill - Share with someone not on Monzo - Has this gone?

I’ve brought Dr strange tickets and gone to split the bill with a friend who isn’t on the Monzo but the button on the split the bill to someone who isn’t on Monzo has disappeared, is this just me?

Phone: Galaxy S22
Monzo App version: 4.26.0

The new update mentions this but I’m not sure what I’m missing.

Have you hit your limit?

The £100 for .me? Nowhere near at all, don’t think I have used it this month.

It’s only £3.50 for the cinema ticket.

Ah ok, just checking.

There’s an overall limit of what you can do in 30 days, plus the limit you mentioned of £100 in a single split.