How To Fix /SAPAPO/VMI_APO002 - Subobject & is locked

/SAPAPO/VMI_APO002 - Overview

• Message type: E = Error

• Message class: /SAPAPO/VMI_APO -

• Message number: 002

• Message text: Subobject & is locked

Self-Explanatory Message

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/SAPAPO/VMI_APO002 - Details

• The SAP error message /SAPAPO/VMI_APO002 indicates that a specific subobject in the SAP Advanced Planning and Optimization (APO) system is locked. This typically occurs in the context of Vendor Managed Inventory (VMI) scenarios, where certain data elements are locked to prevent concurrent modifications that could lead to inconsistencies.
  
  Cause:
  
  Concurrent Access: The subobject may be locked because another user or process is currently accessing or modifying it.
  System Processes: Background jobs or processes that are running may have locked the subobject for processing.
  Manual Locking: A user may have manually locked the subobject for maintenance or data entry purposes.
  Data Consistency: The system may lock the subobject to ensure data consistency during critical operations.
  
  
  Solution:
  
  Wait and Retry: If the lock is due to another user or process, waiting for a short period and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user or