How To Fix /SCMB/SCHED_CORE_CUS000 - Maintain a class or an interface before entering a use

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/SCHED_CORE_CUS -

• Message number: 000

• Message text: Maintain a class or an interface before entering a use

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 /SCMB/SCHED_CORE_CUS000 - Maintain a class or an interface before entering a use ?

  The SAP error message /SCMB/SCHED_CORE_CUS000 typically indicates that there is an issue related to the configuration of classes or interfaces in the SAP Supply Chain Management (SCM) module, particularly in the context of scheduling or planning.
  Cause:
  
  Missing Class or Interface: The error usually occurs when a required class or interface has not been defined or is not available in the system. This could be due to a missing implementation or an incomplete configuration.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or maintain the required classes or interfaces.
  Incorrect Customization: If there have been recent changes or customizations in the system, it might lead to inconsistencies that trigger this error.
  Transport Issues: If the relevant classes or interfaces were transported from another system and the transport was incomplete or failed, this could also lead to the error.
  
  Solution:
  
  Check Class/Interface Existence: Verify that the required class or interface exists in the system. You can do this by navigating to the relevant transaction codes (like SE80 for Object Navigator) and checking for the specific class or interface.
  Maintain Class/Interface: If the class or interface is missing, you may need to create or maintain it. This could involve defining the necessary methods and attributes as per your business requirements.
  Review Authorizations: Ensure that the user has the necessary authorizations to access and maintain the classes or interfaces. You may need to consult with your SAP security team to verify this.
  Check Customizations: If there have been recent changes, review them to ensure that they are correctly implemented and do not conflict with existing configurations.
  Transport Management: If the issue is related to transport, check the transport logs for any errors and ensure that all necessary objects have been transported correctly.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message. SAP Notes often provide solutions or workarounds for known issues.
  Documentation: Review the SAP documentation related to SCM and scheduling to understand the requirements for classes and interfaces in your specific context.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.