How To Fix UPC_DOC021 - You have deleted the SAP dataset object. No connection exists

SAP Error Message - Details

• Message type: E = Error

• Message class: UPC_DOC - Messages: Link to External Applications

• Message number: 021

• Message text: You have deleted the SAP dataset object. No connection exists

What causes this issue?

The SAP dataset object for the SAP/Dynamic Simulation connection was
either deleted or disconnected. The application is no longer
executable. The system is trying to close the document.

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?

Correct the simulation project and implement the SAP data object again.
SAP-Datenobjekt wieder ein.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPC_DOC021 - You have deleted the SAP dataset object. No connection exists ?

  The SAP error message UPC_DOC021, which states "You have deleted the SAP dataset object. No connection exists," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with a dataset or data connection that has been deleted or is no longer valid.
  Cause:
  
  Deleted Dataset: The most common cause of this error is that the dataset object that was previously created has been deleted from the system. This could happen due to manual deletion or as a result of a data model change.
  Invalid Connection: The connection to the data source may have been invalidated, either due to changes in the underlying data model or configuration settings.
  Transport Issues: If the dataset was transported from one system to another (e.g., from development to production), and the transport did not include all necessary objects, this error may occur.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the dataset, leading to the perception that it has been deleted.
  
  Solution:
  
  Check Dataset Existence: Verify if the dataset object still exists in the system. You can do this by navigating to the relevant area in SAP BW or HANA and checking the list of datasets.
  Recreate the Dataset: If the dataset has been deleted, you may need to recreate it. This involves going through the process of defining the dataset again in the system.
  Check Connections: Ensure that all connections to the data sources are valid and properly configured. This includes checking the data source settings and ensuring that they point to the correct objects.
  Review Transport Requests: If the issue arose after a transport, review the transport requests to ensure that all necessary objects were included and correctly transported.
  Authorization Check: Ensure that the user has the necessary authorizations to access the dataset. You may need to consult with your SAP security team to verify this.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about 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.
  Documentation: Refer to the official SAP documentation for BW or HANA for guidance on managing datasets and connections.
  Community Forums: Consider searching or posting in SAP community forums or SAP Community Network (SCN) for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.