How To Fix MC591 - Select a target field

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 591

• Message text: Select a target field

What causes this issue?

You did not define a target field. In order to be able to use matchcodes
as an online utility, you must set up a connection between a matchcode
field and a screen field. This connection is defined with the target
field. In a matchcode selection, the value of this field is transferred
to the screen field.
The first key field of the primary table is standardly defined as the
target field. You probably deleted this assignment.

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?

Mark exactly one field as target field.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC591 - Select a target field ?

  The SAP error message MC591 ("Select a target field") typically occurs in the context of data transfer or reporting in the SAP system, particularly when working with the Material Management (MM) or Controlling (CO) modules. This error indicates that the system requires a target field to be specified for a particular operation, but none has been selected.
  Cause:
  
  Missing Target Field Selection: The most common cause of this error is that the user has not selected a target field in the relevant transaction or report.
  Configuration Issues: There may be issues with the configuration of the data transfer or reporting settings, leading to the system not recognizing available target fields.
  User Input Error: The user may have overlooked the requirement to select a target field or may have made an incorrect selection.
  
  Solution:
  
  Select a Target Field: Ensure that you select a valid target field in the relevant screen or transaction. Look for dropdown menus or selection boxes where you can specify the target field.
  Check Configuration: If you are an administrator or have access to configuration settings, verify that the target fields are correctly configured in the system. This may involve checking the settings in the relevant modules (e.g., MM, CO).
  Review Documentation: Consult the SAP documentation or help files related to the specific transaction or report you are using. This can provide guidance on how to properly select target fields.
  User Training: If this error is common among users, consider providing training or documentation to help them understand how to select target fields correctly.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to reporting or data transfer, such as MC.9 (Inventory Analysis) or others in the Material Management module.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  Community Forums: SAP Community and other forums can be valuable resources for finding solutions or similar experiences from other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.