How To Fix CRMOST638 - Only one operation is allowed for level 1 objects

SAP Error Message - Details

• Message type: E = Error

• Message class: CRMOST - Messages for Customer Management Open Services Tool

• Message number: 638

• Message text: Only one operation is allowed for level 1 objects

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRMOST638 - Only one operation is allowed for level 1 objects ?

  The SAP error message CRMOST638: "Only one operation is allowed for level 1 objects" typically occurs in the context of SAP Customer Relationship Management (CRM) when you are trying to perform multiple operations on a level 1 object (such as a business transaction or a document) simultaneously. Level 1 objects are usually the primary entities in a business process, and the system restricts operations on them to ensure data integrity and consistency.
  Cause:
  
  Multiple Operations Attempted: The error is triggered when a user or a process attempts to perform more than one operation (like create, update, or delete) on a level 1 object at the same time.
  Concurrency Issues: This can happen in scenarios where multiple users or processes are trying to modify the same object concurrently.
  System Configuration: Certain configurations or customizations in the SAP CRM system may enforce strict rules on how operations can be performed on level 1 objects.
  
  Solution:
  
  Single Operation: Ensure that only one operation is being performed on the level 1 object at a time. If you need to perform multiple operations, consider breaking them down into separate transactions.
  Check for Locks: Investigate if the object is locked by another user or process. You can use transaction codes like SM12 to check for locks and SM21 to review system logs for any related issues.
  Review Custom Code: If there are custom developments or enhancements in your SAP CRM system, review the code to ensure that it adheres to the rules regarding level 1 objects.
  Error Handling: Implement error handling in your processes to catch this error and provide a user-friendly message or retry logic.
  Consult Documentation: Refer to SAP documentation or notes related to this error for any specific guidance or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. You can search for the error code in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CRM_ORDER, CRM_UI, or others that pertain to the specific business process you are working with.
  User Training: Ensure that users are trained on the proper procedures for handling level 1 objects to minimize the occurrence of this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal SAP team for further investigation.