When I try to create a business sandbox account it first has a status of processing but then always results in an error status code. It says the sandbox account could not be created, please delete it and create another one.
I saw that the paypal forms have some validation issues so I have already tried the following:
But still the same error.
I solved this by using a different browser. So I guess this was cache related in some way. I entered the following data:
I used Microsoft Edge instead of Chrome.