vsdevcmd 2017 missing files

[Rostyslav Nikitin]

This prompt looking for Script "vsdevcmd\ext\Active" which could not be found.

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** Visual Studio 2017 Developer Command Prompt v15.9.6
** Copyright (c) 2017 Microsoft Corporation
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[ERROR:VsDevCmd.bat]Script "vsdevcmd\ext\Active" could not be found.
[ERROR:VsDevCmd.bat] *** VsDevCmd.bat encountered errors. Environment may be incomplete and/or incorrect. ***
[ERROR:VsDevCmd.bat] In an uninitialized command prompt, please 'set VSCMD_DEBUG=[value]' and then re-run
[ERROR:VsDevCmd.bat] vsdevcmd.bat [args] for additional details.
[ERROR:VsDevCmd.bat] Where [value] is:
[ERROR:VsDevCmd.bat] 1 : basic debug logging
[ERROR:VsDevCmd.bat] 2 : detailed debug logging
[ERROR:VsDevCmd.bat] 3 : trace level logging. Redirection of output to a file when using this level is recommended.
[ERROR:VsDevCmd.bat] Example: set VSCMD_DEBUG=3
[ERROR:VsDevCmd.bat] vsdevcmd.bat > vsdevcmd.trace.txt 2>&1

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