500 error for POST https://app.searchads.apple.com/cm/api/v4/bulk/upload (Search Ads Advanced)

It’s currently impossible to bulk upload an Apple Search Ads structure in the UI of Search Ads Advanced account.

I used the provided XLSX template for bulk structure creation, but each time I attempt to upload the file, I encounter the following error:

"Due to one or more issues, fileName.xlsx couldn't be uploaded."

As I see, there is a 500 error for the V4 API call in the console.

I

500 error for POST https://app.searchads.apple.com/cm/api/v4/bulk/upload (Search Ads Advanced)
 
 
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