How To Fix AQ_AD_HOC226 - System could not read any data

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ_AD_HOC - SAP Query: Ad Hoc Query Messages

• Message number: 226

• Message text: System could not read any data

What causes this issue?

There is no data available for the specified selections.

System Response

The results list in the lower part of the screen still displays the
last list to be created.,,,,

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 AQ_AD_HOC226 - System could not read any data ?

  The SAP error message AQ_AD_HOC226, which states "System could not read any data," typically occurs in the context of SAP Analytics or reporting tools when the system is unable to retrieve data for a specific query or report. This can happen for various reasons, and understanding the cause is crucial for finding a solution.
  Possible Causes:
  
  Data Source Issues: The underlying data source may be unavailable, misconfigured, or not accessible due to network issues or permissions.
  Query Configuration: The query or report may be incorrectly configured, leading to no data being returned. This could include filters that are too restrictive or incorrect joins.
  Authorization Problems: The user may not have the necessary authorizations to access the data in question.
  Data Model Changes: Changes in the data model or structure (e.g., changes in tables, fields, or relationships) may lead to the query failing to retrieve data.
  Performance Issues: If the system is experiencing performance issues, it may time out before retrieving data.
  Data Availability: There may simply be no data available for the specified criteria or time period.
  
  Solutions:
  
  Check Data Source: Ensure that the data source is available and correctly configured. Verify that the connection settings are correct and that the data source is accessible.
  Review Query Configuration: Examine the query or report configuration for any filters or settings that may be too restrictive. Adjust them as necessary to broaden the data retrieval criteria.
  Verify Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to access the data. This may involve consulting with a system administrator.
  Inspect Data Model: If there have been recent changes to the data model, review those changes to ensure they have not affected the query. Update the query if necessary.
  Monitor System Performance: Check for any performance issues in the SAP system. If the system is slow or unresponsive, consider optimizing queries or checking for system bottlenecks.
  Check Data Availability: Confirm that there is data available for the specified criteria. You may want to run a simpler query to see if any data can be retrieved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common problems.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to investigate the underlying data structures.
  Logs and Traces: Review system logs and traces for any additional error messages or warnings that may provide more context about the issue.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By systematically addressing these areas, you should be able to identify the cause of the AQ_AD_HOC226 error and implement an appropriate solution.