How To Fix UR040 - System error when reading the transaction data from InfoCube &3

SAP Error Message - Details

• Message type: E = Error

• Message class: UR -

• Message number: 040

• Message text: System error when reading the transaction data from InfoCube &3

What causes this issue?

An error has occurred accessing BW system &V1&. The error message from
the BW system is as follows:
&V2&

System Response

No transaction data could be read from InfoCube &V3& for realignments.

How to fix this error?

Check the Customizing settings for RFC.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UR040 - System error when reading the transaction data from InfoCube &3 ?

  The SAP error message UR040 indicates a system error that occurs when the system is unable to read transaction data from a specified InfoCube. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Data Inconsistency: There may be inconsistencies in the data stored in the InfoCube, which can prevent the system from reading it correctly.
  InfoCube Activation Issues: The InfoCube may not be activated properly, or there may be issues with the data model.
  Database Issues: Problems with the underlying database, such as corruption or connectivity issues, can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the InfoCube or the data within it.
  System Performance: High load on the system or performance issues can lead to timeouts or failures when accessing data.
  Transport Issues: If the InfoCube was recently transported from another system, there may be issues related to the transport process.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like RSA1 (Data Warehousing Workbench) to check the consistency of the InfoCube and perform any necessary repairs.
  Re-activate the InfoCube: If the InfoCube is not activated, you can try reactivating it. This can be done in the Data Warehousing Workbench.
  Database Check: Perform a database check to ensure that there are no issues with the database. This may involve checking for locks, running consistency checks, or consulting with your database administrator.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the InfoCube. You can check this in the user roles and profiles.
  Monitor System Performance: Check system performance metrics to identify any bottlenecks. You may need to optimize queries or increase system resources.
  Check Transport Logs: If the InfoCube was recently transported, review the transport logs for any errors or warnings that may indicate issues with the transport process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1, RSD1 (for InfoObject maintenance), and RSMO (for monitoring data loads).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (transaction SM21) for any related error messages or warnings that could provide more context about the issue.
  Performance Monitoring Tools: Utilize tools like ST03N (Workload Analysis) and ST22 (Dump Analysis) to monitor system performance and analyze any dumps that may have occurred.
  
  By following these steps, you should be able to identify the root cause of the UR040 error and implement an appropriate solution. If the issue persists, consider reaching out to SAP support for further assistance.