How To Fix FCO_COPA104 - Field name must begin with ZZ or YY

SAP Error Message - Details

• Message type: E = Error

• Message class: FCO_COPA - SFIN message class for CO-PA relevant issues

• Message number: 104

• Message text: Field name must begin with ZZ or YY

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FCO_COPA104 - Field name must begin with ZZ or YY ?

  The SAP error message FCO_COPA104 indicates that a field name must begin with "ZZ" or "YY" in the context of Customizing or development in SAP, particularly related to the Controlling (CO) module and Profitability Analysis (COPA). This error typically arises when you are trying to create or modify a field in a custom table or structure that does not adhere to SAP's naming conventions for custom fields.
  Cause:
  
  Naming Convention: In SAP, custom fields are required to start with "ZZ" or "YY" to differentiate them from standard SAP fields. This is a part of SAP's naming convention to avoid conflicts with standard fields and ensure that custom developments are easily identifiable.
  Field Definition: If you are trying to define a new field in a structure or table and the field name does not comply with this convention, the system will throw this error.
  
  Solution:
  
  Rename the Field: Change the name of the field you are trying to create or modify to start with "ZZ" or "YY". For example, if your field is named CUSTOM_FIELD, rename it to ZZ_CUSTOM_FIELD or YY_CUSTOM_FIELD.
  Check Customization Settings: If you are working within a customizing transaction, ensure that all custom fields adhere to the naming conventions.
  Review Development Guidelines: If you are developing custom ABAP programs or enhancements, refer to your organization's development guidelines to ensure compliance with SAP's naming conventions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to naming conventions and custom field creation for any additional guidelines or updates.
  Documentation: Review SAP documentation on the Controlling module and COPA for best practices in field definitions and customizations.
  Development Environment: If you are using a development environment (like ABAP Workbench), ensure that you are following the naming conventions set by your organization or SAP.
  
  By following these steps, you should be able to resolve the FCO_COPA104 error and successfully create or modify your fields in SAP.