How To Fix CU851 - Read characteristics of instance &

SAP Error Message - Details

• Message type: E = Error

• Message class: CU - Variants / configuration messages

• Message number: 851

• Message text: Read characteristics of instance &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CU851 - Read characteristics of instance & ?

  The SAP error message CU851, which states "Read characteristics of instance &," typically occurs in the context of working with characteristics and classification in SAP. This error can arise when the system is unable to read the characteristics of a specific instance (such as a material or a class) due to various reasons.
  Causes of Error CU851
  
  
  Missing Characteristics: The characteristics that are supposed to be associated with the instance may not be defined or may be missing in the classification system.
  
  
  Incorrect Instance: The instance (e.g., material or class) being referenced may not exist or may have been deleted.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the characteristics of the instance.
  
  
  Data Inconsistencies: There may be inconsistencies or corruption in the classification data or the database.
  
  
  Configuration Issues: The classification system may not be properly configured, leading to issues in reading characteristics.
  
  
  Solutions to Error CU851
  
  
  Check Instance Existence: Verify that the instance (material, class, etc.) exists in the system. You can do this by checking the relevant transaction (e.g., MM03 for materials).
  
  
  Review Characteristics: Ensure that the characteristics associated with the instance are defined correctly in the classification system. You can check this in transaction CL02 (Change Class) or CL03 (Display Class).
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access the characteristics. This can be checked with the help of your SAP security team.
  
  
  Data Consistency Check: Run consistency checks on the classification data. You can use transaction CL20 to check for inconsistencies in the classification data.
  
  
  Reconfigure Classification: If there are configuration issues, you may need to review and reconfigure the classification settings in the system.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and CL20 (Consistency Check).
  SAP Documentation: Review SAP documentation related to classification and characteristics for a deeper understanding of how these elements interact.
  Support Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation.