How To Fix /SCWM/CCHECK251 - Activity without TU (internal TU number: &1)

/SCWM/CCHECK251 - Overview

• Message type: E = Error

• Message class: /SCWM/CCHECK -

• Message number: 251

• Message text: Activity without TU (internal TU number: &1)

Self-Explanatory Message

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/SCWM/CCHECK251 - Details

• The SAP error message /SCWM/CCHECK251 Activity without TU (internal TU number: &1) typically occurs in the SAP Extended Warehouse Management (EWM) module. This error indicates that there is an activity being processed that does not have a corresponding Transportation Unit (TU) associated with it. 
  
  Cause:
  
  Missing Transportation Unit: The activity you are trying to execute (like picking, putaway, etc.) is expected to be linked to a Transportation Unit, but the system cannot find one.
  Incorrect Configuration: There may be configuration issues in the warehouse management settings that prevent the system from recognizing the TU.
  Data Inconsistencies: There could be inconsistencies in the data, such as missing or incorrect entries in the database related to the TU.
  Process Flow Issues: The process flow might not have been followed correctly, leading to a situation where the TU was not created or linked properly.
  
  
  Solution:
  
  Check TU Creation: Ensure that the Transportation Unit has been created and is available