problem with Upgrade Invoice addon

[leanndamiann1]

What's up guys, I can't see the invoice that tells me this error

Custom user field is empty in option.

And now I show you how I have the addon options

What am I doing wrong?

 

[kiniemxua]

What's up guys, I can't see the invoice that tells me this error

Custom user field is empty in option.

And now I show you how I have the addon options
View attachment 37843

What am I doing wrong?

leanndamiann1
What error does it report? You took a picture of the error!
Only we can see and guide you!

 

[leanndamiann1]

Yes sir, the error is the one detailed above.
Custom user field is empty in option.