How To Fix /SCWM/SHP_RCV557 - Multiple TUs cannot dock on door &1 / &2 in parallel

/SCWM/SHP_RCV557 - Overview

• Message type: E = Error

• Message class: /SCWM/SHP_RCV -

• Message number: 557

• Message text: Multiple TUs cannot dock on door &1 / &2 in parallel

Self-Explanatory Message

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/SCWM/SHP_RCV557 - Details

• The SAP error message /SCWM/SHP_RCV557 indicates that multiple Transportation Units (TUs) are attempting to dock at the same door in parallel, which is not allowed in the system. This error typically arises in the context of warehouse management and logistics processes within SAP Extended Warehouse Management (EWM).
  
  Cause:
  
  
  Concurrent Docking Attempts: The primary cause of this error is that more than one TU is trying to dock at the same door at the same time. This can happen due to:
  
  Poor planning of transportation schedules.
  System configuration that does not restrict multiple TUs from docking at the same door.
  Manual errors in assigning TUs to doors.
  
  
  
  Door Configuration: The door may be configured to allow only one TU at a time, which is a common practice to avoid congestion and ensure safety during loading/unloading operations.
  
  
  
  Solution:
  
  
  Check Docking Assignments: Review the assignments of TUs to the docking doors. Ensure that only one TU is assigned to each door