How To Fix SAP_ACO020 - Parameter &1 only exists in dataset &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SAP_ACO - SAP ACO Messages

• Message number: 020

• Message text: Parameter &1 only exists in dataset &2

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAP_ACO020 - Parameter &1 only exists in dataset &2 ?

  The SAP error message SAP_ACO020 indicates that a parameter specified in your request (denoted as &1) is not found in the specified dataset (denoted as &2). This typically occurs in the context of data processing or analysis within SAP systems, particularly when working with datasets in the context of Analytical Queries, Data Warehousing, or similar applications.
  Cause:
  
  Parameter Mismatch: The parameter you are trying to access or use does not exist in the dataset you are referencing. This could be due to a typo in the parameter name or an incorrect dataset being referenced.
  Dataset Changes: The dataset may have been modified, and the parameter was removed or renamed.
  Incorrect Configuration: The configuration settings for the dataset or the query may not be set up correctly, leading to the system not recognizing the parameter.
  Versioning Issues: If you are working with different versions of datasets or queries, the parameter may exist in one version but not in another.
  
  Solution:
  
  Verify Parameter Name: Check the spelling and case of the parameter name (&1) to ensure it matches exactly with what is defined in the dataset (&2).
  Check Dataset Definition: Review the dataset definition to confirm that the parameter exists. You can do this by navigating to the relevant data model or dataset in the SAP system.
  Update Queries/Reports: If the dataset has changed, update any queries or reports that reference the old parameter to use the new parameter or dataset.
  Consult Documentation: Refer to the documentation for the dataset or the specific application you are using to understand the expected parameters and their definitions.
  Test with Different Datasets: If applicable, try running the query or report with a different dataset that is known to contain the parameter to see if the issue persists.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently updates their knowledge base with solutions to common issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like SE11 for Data Dictionary, SE80 for Object Navigator) that can help you investigate the dataset and parameters.
  Documentation: Review the SAP Help Portal or specific module documentation for more detailed information on datasets and parameters.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.