I am running adapt on a windows 10 pro, however unable to preview course.

error message: Error generating preview, please contact an administrator.

Authoring software is installed on root C:\adapt_authoring

the following is the error message details I get on node server.

info: [21 Jan 2018 15:31:34 +02:00] Retrieving JSON
info: [21 Jan 2018 15:31:34 +02:00] All assets processed
error: [21 Jan 2018 15:31:34 +02:00] Cannot determine framework version
Error: ENOENT: no such file or directory, open 'C:\adapt_authoring\temp\adapt_framework\package.json'
error: [21 Jan 2018 15:31:34 +02:00] Cannot determine framework version
Error: ENOENT: no such file or directory, open 'C:\adapt_authoring\temp\adapt_framework\package.json'

Would appreciate any feedback.  Regards, fm