How To Fix TN808 - Queue not calculated due to missing maintenance certificate

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 808

• Message text: Queue not calculated due to missing maintenance certificate

What causes this issue?

Attempted to define a queue that contains OCS Package &V1& delivered by
SAP. This failed as no valid maintenance certificate was found in the
system.

How to fix this error?

Install a valid maintenance certificate and repeat the queue
calculation.
Background Information
As of 2009, maintenance certificates are required to be able to install
and maintain SAP software with the Add-On Installation Tool and Support
Package Manager. These maintenance certificates can be requested with
SAP Solution Manager and are distributed to the systems automatically.
For more information, see the SAP Support Portal under
http://service.sap.com/maintenancecertificate and SAP Note 1240265.
Component SV-SMG-LIC is also available for reporting an problems or any
further questions.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN808 - Queue not calculated due to missing maintenance certificate ?

  The SAP error message TN808, which states "Queue not calculated due to missing maintenance certificate," typically occurs in the context of transportation management or logistics within the SAP system. This error indicates that the system is unable to calculate the transportation queue because it lacks the necessary maintenance certificate for the relevant transportation lane or route.
  Cause:
  
  Missing Maintenance Certificate: The primary cause of this error is that the maintenance certificate for the transportation lane or route has not been created or is not valid. This certificate is essential for the system to perform calculations related to transportation planning and execution.
  Configuration Issues: There may be configuration issues in the transportation management module that prevent the system from recognizing the maintenance certificate.
  Data Inconsistencies: Inconsistencies in master data related to transportation lanes, routes, or vehicles can also lead to this error.
  
  Solution:
  
  
  Check Maintenance Certificate:
  
  Navigate to the relevant transaction in SAP (e.g., transaction code SPRO for configuration).
  Verify if the maintenance certificate for the transportation lane or route is created and valid.
  If it is missing, create a new maintenance certificate as per the requirements of your transportation management setup.
  
  
  
  Review Configuration:
  
  Ensure that the transportation management configuration is correctly set up. This includes checking the settings for transportation lanes, routes, and any related master data.
  Make sure that all necessary parameters are defined and that there are no missing entries.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the master data related to transportation. This includes checking the vehicle master data, route master data, and any other relevant data.
  Correct any inconsistencies that may exist.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the maintenance certificate and its role in transportation management.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your SAP version and configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), VT01N (for creating transportation orders), and others related to transportation management.
  SAP Notes: Check for any SAP Notes related to error TN808, as they may provide additional context or patches that address known issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the TN808 error and ensure that your transportation management processes function smoothly.