How To Fix /SCMTMS/GNT_PLN021 - Scheduling not possible; no documents assigned to selected resources

/SCMTMS/GNT_PLN021 - Overview

• Message type: E = Error

• Message class: /SCMTMS/GNT_PLN -

• Message number: 021

• Message text: Scheduling not possible; no documents assigned to selected resources

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/GNT_PLN021 - Scheduling not possible; no documents assigned to selected resources ?

  The SAP error message /SCMTMS/GNT_PLN021 indicates that scheduling is not possible because there are no documents assigned to the selected resources in the Transportation Management (TM) module. This error typically arises when trying to schedule transportation activities, such as shipments or freight orders, but the system cannot find any relevant documents linked to the resources you are trying to use.
  Causes:
  
  No Documents Assigned: The selected resources (e.g., vehicles, carriers) do not have any transportation documents (like freight orders or shipments) assigned to them.
  Resource Availability: The resources may not be available for the time period you are trying to schedule.
  Incorrect Resource Selection: The resources selected for scheduling may not be appropriate for the documents you are trying to process.
  
  Configuration Issues: There may be configuration issues in the Transportation Management settings that prevent the assignment of documents to resources.
  
  Solutions:
  
  
  Check Document Assignment:
  
  Ensure that the transportation documents you are trying to schedule are correctly assigned