How To Fix 37044 - No matchcode subkey can be assigned to field &

37044 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 044

• Message text: No matchcode subkey can be assigned to field &

What causes this issue?

You selected the matchcode sub-keys function for a field for which no
matchcode sub-keys can be defined.

System Response

Matchcode sub-keys can only be defined for fields to which a matchcode
object is assigned and which also have the following attributes:

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

- input/output field
- not a graphical element (e.g. checkbox or pushbutton)
- no assigned icon
Since at least one of these conditions is not satisfied, the system
does not execute the function.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

37044 - Details

• The SAP error message "37044 No matchcode subkey can be assigned to field &" typically occurs when you are trying to assign a matchcode (search help) to a field in a way that is not supported by the system. This error can arise in various contexts, such as when defining a data element, creating a table, or configuring a search help.
  
  Cause:
  
  Field Type Incompatibility: The field you are trying to assign a matchcode to may not be compatible with the matchcode subkey. For example, if the field is of a type that does not support matchcodes (like certain numeric types), this error can occur.
  Missing Matchcode Definition: The matchcode you are trying to assign may not be properly defined or may not exist in the system.
  Incorrect Configuration: There may be an issue with how the matchcode is configured in the data dictionary or in the relevant search help.
  
  
  Solution:
  
  Check Field Type: Ensure that