How To Fix WP850 - Implementation for Business Add-In 'POS_EX_REC' does not exist

WP850 - Overview

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 850

• Message text: Implementation for Business Add-In 'POS_EX_REC' does not exist

What causes this issue?

No replenishment data record exists for material <(>&<)>V1&.

System Response

The consumption data was not updated.

How to fix this error?

Check the purchase orders created by the replenishment run.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

WP850 - Details

• The SAP error message:
  WP850 Implementation for Business Add-In 'POS_EX_REC' does not exist
  typically occurs when the system expects an implementation of the Business Add-In (BAdI) POS_EX_REC but cannot find any active implementation.
  
  Explanation / Cause
  
  BAdI POS_EX_REC is a Business Add-In used in certain SAP processes (often related to point-of-sale or retail scenarios).
  The error means that the system is trying to call the BAdI POS_EX_REC, but no implementation has been created or activated.
  This can happen if:
  The BAdI is mandatory for the process but has not been implemented.
  The implementation was deleted or deactivated.
  The system or client is missing required configuration or add-on components.
  A custom enhancement or process expects this BAdI to be implemented.
  
  
  
  
  Solution
  
  
  Check if the BAdI is implemented:
  
  Go to transaction SE18 (BAdI Builder).
  Enter POS_EX_REC as the BAdI name.
  Check if there is any active implementation under the "Implementations" tab.
  
  
  
  Create an implementation if none exists:
  
  If no implementation exists, create a new one:
  Click on "Create Implementation".
  Provide a