/BOBF/CONF311 - Library class '&1' shall be used as &2 on node &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF -

• Message number: 311

• Message text: Library class '&1' shall be used as &2 on node &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.

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AnswerBot

• What is the cause and solution for SAP error message /BOBF/CONF311 - Library class '&1' shall be used as &2 on node &3 ?

  The SAP error message /BOBF/CONF311 indicates that there is a mismatch in the usage of a library class in the context of the Business Object Framework (BOBF). This error typically arises when the configuration of a business object does not align with the expected usage of a library class.
  Cause:
  The error message /BOBF/CONF311 Library class '&1' shall be used as &2 on node &3 can occur due to several reasons:
  
  Incorrect Configuration: The library class specified in the configuration of the business object is not being used in the correct context or node.
  Inconsistent Definitions: There may be inconsistencies between the definitions of the library class and the expected usage in the business object.
  Changes in Business Object: If there have been recent changes to the business object or its nodes, it may lead to this error if the library class is not updated accordingly.
  Development Errors: Errors during the development phase, such as incorrect mappings or configurations, can also lead to this issue.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Configuration: Review the configuration of the business object and ensure that the library class is correctly defined for the specified node. Make sure that the usage type (e.g., read, write, etc.) matches the expected usage.
  
  
  Validate Library Class: Ensure that the library class (&1) is correctly implemented and is compatible with the operations being performed on node (&3). Check if the class is designed to be used in the context specified by &2.
  
  
  Update Business Object: If there have been changes to the business object, ensure that all related configurations are updated accordingly. This may involve regenerating the business object or reactivating it.
  
  
  Check for Dependencies: Look for any dependencies or relationships between the business object and other components that may affect the usage of the library class.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to BOBF and the specific business object you are working with for any additional guidance or known issues.
  
  
  Debugging: If the issue persists, consider debugging the business object to trace where the mismatch occurs. This may involve checking the runtime behavior of the business object and its nodes.
  
  
  Related Information:
  
  BOBF Documentation: Familiarize yourself with the Business Object Framework (BOBF) documentation provided by SAP, which can give insights into the configuration and usage of library classes.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary changes to resolve it.