I'm getting a "Error: Failed to deserialize form body" when submitting on the newname page. pasting a base64 psbt from sparrow.
Discussion
Dont know why that happens. I built my own OP_RETURN debugger.
https://play-grounds.github.io/nomen/
What name are you trying to get? I can probably help you with the hex.
I don’t suppose you would be willing to provide the PSBT so I can open a bug ticket? If not, can you provide an alternative PSBT which generated the error?