How To Fix APPLG238 - GP: There is no data source (name in DC) for this column of the tree

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 238

• Message text: GP: There is no data source (name in DC) for this column of the tree

What causes this issue?

This message is a warning that could indicate a programming error.
An item number was specified using the attribute ITEM_ORDER in point
customizing (CL_CU_POINT) without a variant key. However, no attribute
name in the data container was specified for this item number (method
SET_DC_NAMES in the graphics proxy).
The relevant column cannot be supplied with data so it is displayed
empty.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG238 - GP: There is no data source (name in DC) for this column of the tree ?

  The SAP error message APPLG238, which states "There is no data source (name in DC) for this column of the tree," typically occurs in the context of SAP applications that utilize tree structures, such as SAP GUI or SAP Fiori applications. This error indicates that the system is unable to find a data source for a specific column in a tree structure, which can prevent the application from displaying the required data.
  Causes:
  
  Missing Data Source Configuration: The data source for the specified column may not be properly configured in the Data Dictionary (DDIC) or the application configuration.
  Incorrect Data Source Name: The name of the data source specified in the application may be incorrect or misspelled.
  Transport Issues: If the application was recently transported from one system to another (e.g., from development to production), the data source may not have been included in the transport.
  Authorization Issues: The user may not have the necessary authorizations to access the data source.
  Changes in Data Model: If there have been changes to the underlying data model (e.g., changes in database tables or views), the application may not be able to find the required data source.
  
  Solutions:
  
  
  Check Data Source Configuration:
  
  Verify that the data source for the column is correctly defined in the Data Dictionary (DDIC).
  Ensure that the data source is active and properly configured.
  
  
  
  Correct Data Source Name:
  
  Review the application code or configuration to ensure that the data source name is correct and matches the defined data source in the system.
  
  
  
  Transport Validation:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and transported correctly.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the data source. This may involve checking roles and authorizations in the user profile.
  
  
  
  Review Changes in Data Model:
  
  If there have been recent changes to the data model, review those changes to ensure that they do not affect the data source being referenced.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can debug the application to trace where the error occurs and gather more information about the missing data source.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the relevant SAP documentation for the specific application or module you are working with to understand the expected configuration and data sources.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.