Error after installation 'call number plugin'

After install ‘call number plugin’
ionic cordova plugin add call-number
npm install @ionic-native/call-number
i have this error when try to use ionic or cordova commands
any idea?
Thanks in advance
throw err;

Error: Cannot find module ‘projectname\node_modules\ionic\bin\ionic’
e[90m at Function.Module._resolveFilename (internal/modules/cjs/loader.js:973:15)e[39m
e[90m at Function.Module._load (internal/modules/cjs/loader.js:855:27)e[39m
e[90m at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)e[39m
e[90m at internal/main/run_main_module.js:17:47e[39m {
code: e[32m’MODULE_NOT_FOUND’e[39m,

This is the exact text of the error? That’s the direction the slashes go, and it says “projectname” where you put “projectname”?

I wrote projectname manually, because the real name of my project would not appear

Is it a possibility that non-ASCII characters in your path are causing your problem?