How To Fix COM_LINK_PARTNER101 - Technical key of source is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_LINK_PARTNER - relationship product to businesspartner

• Message number: 101

• Message text: Technical key of source is missing

What causes this issue?

The technical key (GUID) of the source is not available.
You can identify the data record with the missing data using the
following relationship data:
GUID of the data record for the relationships: &V1&
Target GUID (partner) : &V2&
Target ID des Ziels (partner) : &V4&
Table index of the table &V3&
(only if several data records are processed simultaneously)

System Response

The data record is not processed.

How to fix this error?

Add the missing GUID to the data record.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COM_LINK_PARTNER101 - Technical key of source is missing ?

  The SAP error message COM_LINK_PARTNER101 indicates that there is a missing technical key for a source in the context of a communication link partner. This error typically arises in scenarios involving integration or communication between different systems or components within SAP, such as when using SAP's Core Interface (CIF) or when setting up communication between different SAP systems.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Configuration: The technical key for the source system or partner may not have been configured correctly in the system.
  Data Inconsistency: There may be inconsistencies in the data related to the communication link partner, such as missing entries in the relevant tables.
  Incorrect Partner Profile: The partner profile may not be set up correctly, leading to the system being unable to identify the source.
  Transport Issues: If the configuration was transported from one system to another, there may have been issues during the transport process that led to missing data.
  
  Solution:
  To resolve the COM_LINK_PARTNER101 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the relevant transaction (e.g., CIF for Core Interface) and verify that the source system or partner is correctly configured.
  Ensure that the technical key for the source is defined and active.
  
  
  
  Review Partner Profiles:
  
  Check the partner profiles in transaction WE20 (for IDoc processing) or the relevant transaction for your integration scenario.
  Ensure that the partner profiles are correctly set up and that all necessary parameters are filled in.
  
  
  
  Data Consistency Check:
  
  Use transaction SE11 to check the relevant database tables for any missing entries related to the communication link partner.
  If necessary, manually add or correct the entries.
  
  
  
  Transport Check:
  
  If the configuration was recently transported, check the transport logs for any errors or warnings that might indicate issues during the transport process.
  If necessary, re-transport the configuration or manually adjust the settings in the target system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific integration scenario you are working with. There may be specific guidelines or known issues that can help you resolve the error.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CIF, WE20, SE11, and others that may be pertinent to your integration scenario.
  SAP Notes: Search for SAP Notes related to the error message or the specific integration scenario you are working with. SAP Notes often contain solutions or workarounds for known issues.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the COM_LINK_PARTNER101 error in your SAP system.