how to find out the problem in FBDI template import purchase order

Summary:

Import purchase order FBDI

Content (required):

I have imported the FBDI template and the process "load file to interface" is in status = Succeeded but the purchase order doesn't exist in Fusion but it is present in the table po_headers_interface.

How can I find out the problem in the FBDI?

Version (include the version you are using, if applicable):

21C

Code Snippet (add any code snippets that support your topic, if applicable):