How To Fix /SCMTMS/PLN_OPT_APP306 - All planning-relevant transportation demands are fixed

/SCMTMS/PLN_OPT_APP306 - Overview

• Message type: E = Error

• Message class: /SCMTMS/PLN_OPT_APP -

• Message number: 306

• Message text: All planning-relevant transportation demands are fixed

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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/SCMTMS/PLN_OPT_APP306 - Details

• The SAP error message /SCMTMS/PLN_OPT_APP306 indicates that all planning-relevant transportation demands are fixed, meaning that the system cannot perform any further planning actions because the demands have been locked or fixed in their current state. This can occur in the context of SAP Transportation Management (TM) when trying to execute planning functions such as creating transportation proposals or optimizing routes.
  
  Cause:
  
  Fixed Transportation Demands: The transportation demands (e.g., shipments, deliveries) have been marked as fixed, which prevents any changes or re-planning.
  Planning Settings: The planning settings or parameters may be configured in such a way that they do not allow for modifications to fixed demands.
  Status of Transportation Demand: The status of the transportation demand may be set to a state that does not allow for further planning (e.g., confirmed, completed).
  User Permissions: The user may not have the necessary permissions to modify or unfix the transportation demands.
  
  
  Solution:
  
  Review Demand Status: Check the status of the