Article - CS24348
Error “License request failed for feature XXXX: -8, Invalid (inconsistent) license key” when launching Creo Parametric, Creo View or Mathcad
Modified: 16-Jun-2025
Applies To
- Mathcad 14.0 to 15.0
- Pro/ENGINEER and Creo Elements/Pro Wildfire to Wildfire 5.0
- Creo Parametric 1.0 to 12.4
- Mathcad Prime 1.0 to 11.0
- Creo View 1.0 to 10.1
Description
- Error “License request failed for feature XXXX: -8, Invalid (inconsistent) license key” at startup
- Error "Invalid license key (inconsistent authentication code)" is displayed in log file
- Error message “License request failed for feature ProE_FoundationAdv: -8: Invalid or inconsistent license key.” while launching the session for Pro/ENGINEER 2001 using the license file for the new version on a Windows 7 machine
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