How To Fix WGRC020 - Reading assignments failed

SAP Error Message - Details

• Message type: E = Error

• Message class: WGRC - Message Class for Goods Receipt Capacity Check

• Message number: 020

• Message text: Reading assignments failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WGRC020 - Reading assignments failed ?

  The SAP error message WGRC020: Reading assignments failed typically occurs in the context of SAP's Warehouse Management (WM) or Extended Warehouse Management (EWM) modules. This error indicates that the system encountered an issue while trying to read assignment data, which could be related to various factors.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies or missing data in the assignment tables that the system is trying to access.
  Authorization Issues: The user may not have the necessary authorizations to access the data required for the operation.
  Configuration Errors: Incorrect configuration settings in the warehouse management system can lead to this error.
  System Performance Issues: If the system is under heavy load or if there are performance issues, it may fail to read the assignments in a timely manner.
  Database Issues: Problems with the underlying database, such as locks or corruption, can also lead to this error.
  
  Solutions:
  
  Check Data Consistency: Verify the integrity of the assignment data in the relevant tables. You may need to run consistency checks or reports to identify any discrepancies.
  Review Authorizations: Ensure that the user encountering the error has the necessary authorizations to access the required data. This may involve checking user roles and permissions.
  Configuration Review: Review the configuration settings in the WM/EWM module to ensure they are set up correctly. This may involve checking warehouse settings, storage types, and other related configurations.
  System Performance Monitoring: Monitor system performance to identify any bottlenecks or issues that may be affecting data retrieval. Consider optimizing database performance or increasing system resources if necessary.
  Database Check: If you suspect database issues, work with your database administrator to check for locks, corruption, or other problems that may be affecting data access.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like LX02 (Display Stock Overview) or LB01 (Display Transfer Order) to check the status of assignments and stock.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide insight into the root cause of the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or your internal SAP team for further assistance.