How To Fix /UI2/FDM_2_CDM3007 - Reference lost to group &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/FDM_2_CDM3 -

• Message number: 007

• Message text: Reference lost to group &1

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/FDM_2_CDM3007 - Reference lost to group &1 ?

  The SAP error message /UI2/FDM_2_CDM3007 Reference lost to group &1 typically occurs in the context of SAP Fiori applications and the Fiori Launchpad. This error indicates that there is a problem with the configuration of the Fiori Launchpad or the underlying data model, specifically related to a reference that is expected to be present but is missing or has been lost.
  Cause:
  
  Missing or Incomplete Configuration: The error may arise if the configuration for the Fiori app or the associated OData service is incomplete or incorrect.
  Changes in Data Model: If there have been changes in the underlying data model or if the data source has been modified, it can lead to references being lost.
  Transport Issues: If the application or configuration was transported from one system to another (e.g., from development to production), there may be missing objects or dependencies.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain groups or references, leading to this error.
  
  Solution:
  
  Check Configuration: Review the configuration of the Fiori app and ensure that all necessary components are correctly set up. This includes checking the OData service and its associations.
  Recreate or Update Groups: If the group referenced in the error message is missing or has been modified, you may need to recreate it or update the references in the configuration.
  Transport Validation: If the issue arose after a transport, validate that all necessary objects were transported correctly. You may need to re-transport missing components.
  Authorization Check: Ensure that the user has the necessary authorizations to access the Fiori Launchpad and the specific app or group in question.
  Clear Cache: Sometimes, clearing the cache of the Fiori Launchpad can resolve issues related to stale references. You can do this by using transaction code /UI2/FLP and selecting the option to clear the cache.
  Check Logs: Review the application logs and the Fiori Launchpad logs for more detailed error messages that can provide additional context on the issue.
  
  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.
  Fiori Launchpad Configuration: Familiarize yourself with the Fiori Launchpad configuration guide, which provides detailed instructions on setting up and troubleshooting Fiori applications.
  OData Services: Understanding how OData services work in SAP Fiori can help in diagnosing issues related to data retrieval and references.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.