How To Fix 1R644 - Error when reading the relationship &1(&2) - &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 644

• Message text: Error when reading the relationship &1(&2) - &3

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 1R644 - Error when reading the relationship &1(&2) - &3 ?

  The SAP error message 1R644 typically indicates an issue related to reading a relationship in the SAP system. This error can occur in various contexts, such as when dealing with master data, organizational structures, or other relational data within SAP.
  Cause:
  The error message "Error when reading the relationship &1(&2) - &3" generally points to one of the following issues:
  
  
  Data Inconsistency: There may be inconsistencies in the data related to the relationship being accessed. This could be due to missing or incorrect entries in the database.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the data related to the specified relationship.
  
  
  Configuration Issues: There may be configuration problems in the system that prevent the proper reading of relationships.
  
  
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the SAP application server.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Consistency:
  
  Verify the data related to the relationship in question. Ensure that all necessary entries exist and are correct.
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the relevant tables.
  
  
  
  Review Authorizations:
  
  Check the user’s authorizations to ensure they have the necessary permissions to access the data.
  Use transaction SU53 to analyze authorization failures.
  
  
  
  Configuration Review:
  
  Review the configuration settings related to the specific relationship. Ensure that all necessary settings are correctly configured.
  
  
  
  Technical Checks:
  
  Check for any system logs or dumps (using transaction ST22) that might provide more information about the error.
  Ensure that the SAP system is running smoothly and that there are no connectivity issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or the SAP Help Portal for any specific notes related to this error message. There may be patches or updates available that address the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after performing the above checks, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, SU53, and ST22 for troubleshooting.
  SAP Notes: Search for SAP Notes related to error 1R644 in the SAP Support Portal for any known issues or fixes.
  Documentation: Review SAP documentation for the specific module or area where the error occurred, as it may provide additional insights.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.