Error when installing pdftron

When installing pdftron with npm I get this error:

@pdftron/pdfnet-node@9.0.0 install: node-pre-gyp install --fallback-to-build=false

please help, what is the problem?

Hello Hoffi,

To get a better understanding of the issue, could you please provide us with the stack trace and additional information (such as what platform you are using, version numbers, etc.)?

Thank you in advance for the additional information.