How To Fix XSS_UN202 - Unable to read Workitems.

SAP Error Message - Details

• Message type: E = Error

• Message class: XSS_UN - Message Class for ESS (NPO Scenarios)

• Message number: 202

• Message text: Unable to read Workitems.

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 XSS_UN202 - Unable to read Workitems. ?

  The SAP error message XSS_UN202: Unable to read Workitems typically occurs in the context of SAP Business Workflow or SAP Business Process Management (BPM). This error indicates that the system is unable to retrieve work items from the workflow engine, which can be due to various reasons.
  Possible Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the work items.
  Workflow Configuration: There may be issues with the workflow configuration or the workflow instance itself.
  Database Issues: Problems with the database, such as connectivity issues or data corruption, can prevent the retrieval of work items.
  System Performance: High system load or performance issues may lead to timeouts or failures in fetching work items.
  Transport Issues: If the workflow definitions or related objects were recently transported, there may be inconsistencies or missing objects in the target system.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the work items. This can be done by reviewing the user's roles and authorizations in transaction SU53 or SUIM.
  Review Workflow Configuration: Check the workflow configuration in transaction SWDD (Workflow Builder) to ensure that the workflow definitions are correct and active.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. This may involve checking for locks, performance issues, or running database consistency checks.
  Monitor System Performance: Use transaction ST22 (Dump Analysis) and SM21 (System Log) to check for any system dumps or logs that may indicate performance issues.
  Check Workflow Instances: Use transaction SWI1 (Work Item Selection) to see if there are any work items available and if they can be accessed.
  Transport Consistency: If the issue arose after a transport, verify that all necessary objects were transported correctly and that there are no missing dependencies.
  
  Related Information:
  
  Transaction Codes:
  
  SWI1: Work Item Selection
  SWDD: Workflow Builder
  SU53: Authorization Check
  ST22: Dump Analysis
  SM21: System Log
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation on workflow management for best practices and troubleshooting tips.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.