XT4113Z1 - F4113 FS EndDoc Issue not completing all the transaction lines.

Hello Fellow experts, Before anything I just want to appreciate the time you are taking to read this question. Having said that:

Ok so im creating a custom Interactive Version where the user can do multiple inventory transfers within our custom form. For this I am using the XT4113Z1 BSFN (Begin doc, Edit Line, End Doc, Clear cache). the code is already set and I started with 1 transfer and it was successfully completed (Kardex transactions and IT document were created correctly).

So then I escalated to the Multiple Line Processing and entered 2 Item transfers at once and the process seamed to finish just fine with out any errors (just the usual warning telling you that the date is in a future fiscal year) EXCEPT of course, that the Inventory transfer (when checked in the P4113) was missing 1 line.