designer.selectPage: there is no page {id}; ...

Warnings reference › designer:page:*

Identifier

designer:page:*

Raised by

designer

Since

1.88.0

What happened

selectPage selects a page by id, and no page in the state has that id, so the selected page and the canvas were left as they were and false was returned.

The fix

Select one of the ids designer.pages() lists.

The smallest fix

designer.selectPage(designer.pages()[0].id);

Reference

Covered in full at the API reference.