[Bug]: Intercompany - Cross-eviroment data sending using Transfer type = Database (API) - Field IC Source Type

[PSkok1]

Describe the issue

Sending Purchase Document using Intercompany feature (cross-enviroment using API) doesnt work properly, IC Source Type = Sales Document is sent, IC Source Type = Journal is received.

Problem is probably in InterCompany API - bufferIntercompanyInboxTransactions

{
  "@odata.etag": "W/\"JzE4OzcyODAwMjE0NDM0MDM3MjY2MDE7MDA7Jw==\"",
  "id": "c3c85855-e622-f111-8340-7c1e5225f901",
  "transactionNumber": 148,
  "icPartnerCode": "TEST1",
  "sourceType": "Sales Document",
  "icSourceType": "Sales_x0020_Document",
  "sourceTypeIndex": 0,                                 **// I expect value 1 here**
  "documentType": "Order",
  "documentTypeOrdinal": 5,
  "documentNumber": "NO-2600103",
  "postingDate": "2026-03-18",
  "transactionSource": "Created by Partner",
  "transactionSourceIndex": 1,
  "documentDate": "2026-03-18",
  "lineAction": "No Action",
  "lineActionIndex": 0,
  "originalDocumentNumber": "NO-2600103",
  "sourceLineNumber": 0,
  "icAccountType": "G_x002F_L_x0020_Account",
  "icAccountTypeOrdinal": 0,
  "icAccountNumber": ""
}

Expected behavior

In Intercompany Inbox Transaction of Enviroment 2 should be new record with value in Field IC Source Type = Sales Document

Actual behavior - In Intercompany Inbox Transaction of Enviroment 2 is new record with value in Field IC Source Type = Journal (default enum value Enum::"IC Transaction Source Type")

Steps to reproduce

Set up intercompany between 2 enviroments - use Database Transfer type, Set up IC partner in every enviroment company - dont use Auto. Accept Transactions in target partner, Send Purchase Order from enviroment 1 to enviroment 2

Additional context

This problem should have been fixed in BC 27.5
Application hotfixes 619364
Application hotfixes 614343

I will provide a fix for a bug

• I will provide a fix for a bug

Internal work item: AB#630223

[danooooo1]

Hello, I have the same problem, could you please check it?

[JesperSchulz]

Internal work item created. The product group will look into it. Closing GitHub issue to avoid duplicates.