How To Fix /SCMB/VMI_APO029 - Function module /SAPAPO/MSDP_TSER_EXT_PUT: Sales data locked

/SCMB/VMI_APO029 - Overview

• Message type: E = Error

• Message class: /SCMB/VMI_APO -

• Message number: 029

• Message text: Function module /SAPAPO/MSDP_TSER_EXT_PUT: Sales data locked

Self-Explanatory Message

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/SCMB/VMI_APO029 - Details

• The SAP error message /SCMB/VMI_APO029 indicates that there is an issue with the function module /SAPAPO/MSDP_TSER_EXT_PUT, specifically that sales data is locked. This typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly in the Vendor Managed Inventory (VMI) scenario.
  
  Cause:
  
  
  Data Locking: The error usually arises when the sales data that the function module is trying to access is currently locked by another process. This can happen if:
  
  Another transaction is currently processing the same data.
  A previous transaction did not release the lock properly.
  There is a long-running process that is holding the lock.
  
  
  
  Concurrency Issues: If multiple users or processes are trying to access or modify the same sales data simultaneously, it can lead to locking issues.
  
  
  System Configuration: Sometimes, the configuration settings in the APO system may lead to unexpected locking behavior.
  
  
  
  Solution:
  
  
  Identify the Lock: Use transaction code SM12 to check for existing locks. You can filter by user