Installed Invoce Ninja 4.5.1.
After upload 3 documents in the Invoice Settings trying to delete 1 document, but it doesn’t delete.
When click on the ‘save’ button the deleted document shows up.
I have the same problem here. Whenever I click the link to remove a document added in the invoice preset model, it seems to be removed but after saving page, the document is still there. Any way to fix the bug ? I used Tuxy’s solution, but there should have a much easier way to do it.