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How To Fix UJO_WB_EXCEPTION002 - Cannot perform read


SAP Error Message - Details

  • Message type: E = Error

  • Message class: UJO_WB_EXCEPTION - Message Class for Write-Back

  • Message number: 002

  • Message text: Cannot perform read

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  • 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 UJO_WB_EXCEPTION002 - Cannot perform read ?

    The SAP error message UJO_WB_EXCEPTION002: Cannot perform read typically occurs in the context of SAP's Job Management or Workflow Management. This error indicates that the system is unable to read data from a specific object or table, which can be due to various reasons. Here are some common causes, potential solutions, and related information:

    Causes:

    1. Authorization Issues: The user may not have the necessary permissions to access the data or object being read.
    2. Data Consistency Issues: There may be inconsistencies in the database, such as missing entries or corrupted data.
    3. System Configuration: Incorrect configuration settings in the job or workflow management module can lead to read errors.
    4. Technical Issues: There may be underlying technical issues, such as database connectivity problems or system performance issues.
    5. Object Locking: The object being accessed may be locked by another process, preventing read access.

    Solutions:

    1. Check Authorizations: Ensure that the user has the appropriate authorizations to access the required data. This can be done by reviewing the user's roles and permissions in the SAP system.
    2. Data Consistency Check: Perform a consistency check on the relevant tables or objects to identify and resolve any inconsistencies. This may involve using transaction codes like SE11 or SE16 to inspect the data.
    3. Review Configuration Settings: Check the configuration settings for the job or workflow management to ensure they are set up correctly. This may involve reviewing transaction codes like SM37 (for job monitoring) or SWI1 (for workflow).
    4. Check System Logs: Review system logs (transaction codes SM21 or ST22) for any related error messages that could provide more context about the issue.
    5. Database Connectivity: Ensure that the database is running properly and that there are no connectivity issues. This may involve checking the database server status or consulting with the database administrator.
    6. Unlock Objects: If the object is locked, identify the process that is holding the lock and resolve it. You can use transaction code SM12 to view and manage locks.

    Related Information:

    • SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
    • Transaction Codes: Familiarize yourself with relevant transaction codes such as:
      • SM37: Job Monitoring
      • SWI1: Workflow Overview
      • SE11: Data Dictionary
      • SE16: Data Browser
      • SM21: System Log
      • ST22: Dump Analysis
    • SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.

    If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP Basis team or SAP support for further investigation.

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