How To Fix 0C056 - The second key field of table & is not MSID

SAP Error Message - Details

• Message type: E = Error

• Message class: 0C - Customizing Batch Management

• Message number: 056

• Message text: The second key field of table & is not MSID

What causes this issue?

Table &V1& cannot be defined as message destination for one of the
following reasons:
The MSID field is not the second key field of the table.
The domain assigned to the MSID field does not belong to the same data
type as the CO_MSID domain.
The domain assigned to the MSID field does not define the same field
length as the CO_MSID domain.
The destination is not created.

System Response

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

How to fix this error?

Check the definition of table &V1& in the ABAP/4 Dictionary and
correct it according to the requirements listed above.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0C056 - The second key field of table & is not MSID ?

  The SAP error message 0C056 indicates that there is an issue with the configuration of a table in the SAP system, specifically related to the Multi-Source Inventory Data (MSID) functionality. This error typically arises when the second key field of a table is not defined as an MSID field, which is required for certain operations involving inventory management.
  Cause:
  The error occurs when:
  
  The second key field of the specified table is not set up correctly to be used as an MSID field.
  The configuration of the table does not meet the requirements for MSID processing, which is essential for certain inventory management functionalities.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Table Configuration:
  
  Go to the Data Dictionary (transaction SE11) and check the definition of the table mentioned in the error message.
  Ensure that the second key field is correctly defined and is intended to be used as an MSID field.
  
  
  
  Adjust Key Fields:
  
  If the second key field is not set as an MSID field, you may need to adjust the table definition. This could involve modifying the data element or the field properties to ensure it meets the MSID requirements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to MSID and the specific table in question. This can provide insights into the correct configuration and any prerequisites.
  
  
  
  Transport Changes:
  
  If changes are made to the table configuration, ensure that they are transported to the relevant environments (e.g., from development to production) following your organization's change management process.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform thorough testing to ensure that the error is resolved and that the functionality works as expected.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on the specific context of your system and configuration.
  
  
  
  Related Information:
  
  MSID (Multi-Source Inventory Data): This is a functionality in SAP that allows for the management of inventory data from multiple sources, which is crucial for accurate inventory tracking and reporting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE37 (Function Module) for further investigation and adjustments.
  SAP Notes: Check for any SAP Notes that may address known issues or provide additional guidance related to the error message 0C056.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.