How To Fix UPE1021 - You have deleted the SAP dataset object. No connection exists

SAP Error Message - Details

• Message type: E = Error

• Message class: UPE1 - 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 connecting SAP/ Dynamic Simulation was
deleted or the connection was interrupted. The application can no
longer be run. The document is being closed.

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 introduce the SAP dataset object
again.

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 UPE1021 - You have deleted the SAP dataset object. No connection exists ?

  The SAP error message UPE1021, which states "You have deleted the SAP dataset object. No connection exists," typically occurs in the context of SAP's data processing and can be related to issues with the dataset or the connection to the database.
  Cause:
  
  Deleted Dataset: The primary cause of this error is that the dataset object that the system is trying to access has been deleted. This could happen due to manual deletion or as a result of a cleanup process.
  Connection Issues: There may be issues with the connection to the database or the application server, which can lead to the system being unable to find the dataset.
  Configuration Errors: Incorrect configuration settings in the SAP system or the database can also lead to this error.
  Authorization Issues: Lack of proper authorizations to access the dataset can also trigger this error.
  
  Solution:
  
  Check Dataset Existence: Verify if the dataset object still exists in the system. If it has been deleted, you may need to recreate it or restore it from a backup if available.
  Re-establish Connection: Ensure that the connection to the database or application server is active and properly configured. You can check the connection settings in the SAP system.
  Review Configuration: Check the configuration settings related to the dataset and ensure they are correct. This includes checking the database connection parameters.
  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 and adjust user roles and permissions.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Restart Services: Sometimes, restarting the relevant SAP services or the application server can resolve transient connection issues.
  
  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.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SM37 (Job Monitoring) to help diagnose and resolve the issue.
  Documentation: Refer to SAP documentation for detailed information on dataset management and troubleshooting connection issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.