TypeError: Cannot read property 'data' of null

[michaelp433809]

Using CMD entering "bitvision" program starts up and attempts to fetch price data, blockchain network data, bitcoin related headlines, and transaction history, then throws this error at me:

TypeError: Cannot read property 'data' of null
    at refreshInterface (C:\Users\xboxm\AppData\Roaming\npm\node_modules\bitvision\index.js:557:36)
    at C:\Users\xboxm\AppData\Roaming\npm\node_modules\bitvision\index.js:724:5
    at checkDependencies (C:\Users\xboxm\AppData\Roaming\npm\node_modules\bitvision\index.js:690:5)
    at main (C:\Users\xboxm\AppData\Roaming\npm\node_modules\bitvision\index.js:713:3)
    at Object.<anonymous> (C:\Users\xboxm\AppData\Roaming\npm\node_modules\bitvision\index.js:734:1)
    at Module._compile (internal/modules/cjs/loader.js:1085:14)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
    at Module.load (internal/modules/cjs/loader.js:950:32)
    at Function.Module._load (internal/modules/cjs/loader.js:790:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)

[boblebeub]

Same issue. I'm trying to learn a bit about programming.