How To Fix PRC_MESSAGES851 - Usage &1 is not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: PRC_MESSAGES -

• Message number: 851

• Message text: Usage &1 is not permitted

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 PRC_MESSAGES851 - Usage &1 is not permitted ?

  The SAP error message PRC_MESSAGES851, which states "Usage &1 is not permitted," typically occurs in the context of SAP's Project System (PS) or related modules when there is an attempt to perform an action that is not allowed based on the current configuration or settings.
  Cause:
  
  Configuration Issues: The usage type or category you are trying to access may not be configured correctly in the system. This could be due to missing authorizations or incorrect settings in the project or task definitions.
  Authorization Problems: The user may not have the necessary permissions to perform the action associated with the specified usage type.
  Business Rules: Certain business rules or constraints may prevent the usage of specific types or categories in the current context.
  Data Integrity: There may be inconsistencies or issues with the data that prevent the system from allowing the specified usage.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the project or task in question. Ensure that the usage type is correctly defined and permitted in the system.
  Review Authorizations: Verify that the user has the necessary authorizations to perform the action. This can be done by checking the user's roles and permissions in the SAP system.
  Consult Business Rules: If there are specific business rules that govern the usage types, consult with the relevant stakeholders to understand the constraints and ensure compliance.
  Data Validation: Check for any data integrity issues that may be causing the error. This may involve reviewing related master data or transactional data for inconsistencies.
  SAP Notes: Search for relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions to common issues.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes (like CJ20N for Project Management) to access the relevant project or task details.
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They can provide insights based on the specific configuration and version of your SAP system.
  Documentation: Review SAP documentation related to Project System and the specific modules you are working with to understand the allowed usages and configurations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.