How To Fix APPLG008 - DC: Attribute with this key already exists in DC; change application

SAP Error Message - Details

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 008

• Message text: DC: Attribute with this key already exists in DC; change application

What causes this issue?

The application tried to enter an object in the data container. An
object with the same key already exists. The new object was not
created.

How to fix this error?

Check the programming which uses the data container. The error is not
in the data container but in the programming that uses the data
container.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG008 - DC: Attribute with this key already exists in DC; change application ?

  The SAP error message APPLG008 indicates that there is an attempt to create or modify an attribute in a Data Container (DC) that already exists. This typically occurs in the context of SAP applications that utilize data modeling, such as SAP HANA or SAP BW.
  Cause:
  The error is triggered when:
  
  You are trying to add an attribute to a data container (like a data model or a table) that already has an attribute with the same key or name.
  There may be a naming conflict due to duplicate entries in the data model.
  The attribute might have been defined in a different context or version of the data container.
  
  Solution:
  To resolve the APPLG008 error, you can take the following steps:
  
  
  Check Existing Attributes:
  
  Review the existing attributes in the data container to confirm if the attribute you are trying to add already exists.
  Use the relevant transaction or tool (like SAP HANA Studio or SAP BW Modeling Tools) to inspect the data model.
  
  
  
  Rename the Attribute:
  
  If the attribute already exists and you need to create a new one, consider renaming the new attribute to avoid the conflict.
  
  
  
  Modify Existing Attribute:
  
  If the intention is to modify the existing attribute, make the necessary changes to that attribute instead of trying to create a new one.
  
  
  
  Check for Versioning Issues:
  
  Ensure that you are working on the correct version of the data container. Sometimes, changes made in different versions can lead to confusion.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for specific guidelines on managing attributes in your version of SAP.
  
  
  
  Clear Cache:
  
  In some cases, clearing the cache or refreshing the data model can help resolve inconsistencies.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Data Container (DC): A structure used in SAP to hold data models, attributes, and other related information.
  Attributes: Characteristics or properties of a data model that define the data structure.
  SAP HANA Studio: A development environment for working with SAP HANA databases, where you can manage data models and attributes.
  SAP BW: Business Warehouse, a data warehousing solution that allows for data modeling and reporting.
  
  By following these steps, you should be able to resolve the APPLG008 error and continue with your data modeling tasks in SAP.