How To Fix /SCMTMS/PLN_OPT_APP623 - No valid route due to default route constraints

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/PLN_OPT_APP -

• Message number: 623

• Message text: No valid route due to default route constraints

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/PLN_OPT_APP623 - No valid route due to default route constraints ?

  The SAP error message /SCMTMS/PLN_OPT_APP623 No valid route due to default route constraints typically occurs in the context of SAP Transportation Management (TM) when the system is unable to find a valid route for a transportation request due to constraints defined in the routing configuration.
  
  Cause:
  
  
  Default Route Constraints: The error indicates that the system has encountered constraints on the default route that prevent it from being used. This could be due to:
  
  Missing or incorrect route determination settings.
  Constraints related to transportation lanes, such as capacity limits, time windows, or other restrictions.
  Incomplete or incorrect master data (e.g., locations, transportation lanes, or vehicles).
  The absence of a valid transportation lane between the source and destination locations.
  
  
  
  Route Determination Settings: The route determination process may not be configured correctly, leading to the inability to find a suitable route.
  
  
  Master Data Issues: Issues with master data, such as missing or incorrect entries for locations, transportation lanes, or vehicles, can