How To Fix GG731 - You cannot include field & as a key field

SAP Error Message - Details

• Message type: E = Error

• Message class: GG - Messages for FI-SL customizing

• Message number: 731

• Message text: You cannot include field & as a key field

What causes this issue?

You have included field &V1& as a key field in table &V2&. However,
only a limited number of key fields is supported for table &V2&.
Key fields of table &V2&:
RCLNT
RLDNR
RRCTY
RVERS
RYEAR
ROBJNR
COBJNR (optional)
SOBJNR
RTCUR
RUNIT
DRCRK
RPMAX

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?

If you want to use field &V1& as a key field, you should include the
field in an object table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GG731 - You cannot include field & as a key field ?

  The SAP error message GG731, which states "You cannot include field & as a key field," typically occurs when you are trying to define a key field in a table or structure that is not allowed to be a key field due to certain restrictions or characteristics of that field.
  Cause:
  
  Field Characteristics: The field you are trying to include as a key field may not have the appropriate characteristics. For example, it might be a field that is not allowed to be unique or does not have a fixed length.
  Data Element Restrictions: The data element associated with the field may have restrictions that prevent it from being used as a key field.
  Technical Settings: The technical settings of the table or structure may not allow certain fields to be defined as key fields.
  Field Type: Certain field types (like text fields or long texts) cannot be used as key fields.
  
  Solution:
  
  Check Field Properties: Review the properties of the field you are trying to include. Ensure that it meets the requirements for being a key field (e.g., it should be unique, have a fixed length, etc.).
  Use Alternative Fields: If the field cannot be used as a key field, consider using a different field that meets the criteria for key fields.
  Modify Data Element: If applicable, check the data element associated with the field and see if it can be modified to allow it to be used as a key field.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on key fields and their requirements.
  Check Technical Settings: Review the technical settings of the table or structure to ensure that there are no restrictions preventing the inclusion of the field as a key field.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  ABAP Development Guidelines: Familiarize yourself with ABAP development guidelines regarding table and field definitions, especially concerning key fields.
  
  If you continue to face issues, it may be helpful to consult with an SAP technical consultant or developer who can provide more tailored assistance based on your specific scenario.