Hello, I checked, on Account receivable preferences , customer classes , customer it self, all mailing setting on invoice is using AR641000

When I print the invoice on Print/Email AR documents, ScreenId=AR508000, it is fine.

But when I try to email the invoice on this same screen, it is attached PDF generated from SO643000 instead.

The reason I can tell the difference is I made a little trick, on SO643000 the price won’t show this customer,on AR64100 it will always show price.
My need describes here:
Print and Send Email in Different Invoice Formats (Price Hidden)? | Community
My rpx is attached, please help. I need to email in format of AR641000
