firebaseのインストールがうまくいかないです。

$ npm run build
npm ERR! code ENOENT
npm ERR! syscall open
npm ERR! path C:\Users\DELL\Dropbox\My PC (DESKTOP-DOP2ONS)\Documents\todoapp\package.json       
npm ERR! errno -4058
npm ERR! enoent ENOENT: no such file or directory, open 'C:\Users\DELL\Dropbox\My PC (DESKTOP-DOP2ONS)\Documents\todoapp\package.json'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent 

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\DELL\AppData\Roaming\npm-cache\_logs\2020-09-14T23_39_08_696Z-debug.log    

$ firebase deploy

=== Deploying to 'chatbot-demo-9fa3c'...

i  deploying firestore, functions, hosting
Running command: npm --prefix "$RESOURCE_DIR" run lint

> functions@ lint C:\Users\DELL\Dropbox\My PC (DESKTOP-DOP2ONS)\Documents\todoapp\functions      
> tslint --project tsconfig.json

Running command: npm --prefix "$RESOURCE_DIR" run build

> functions@ build C:\Users\DELL\Dropbox\My PC (DESKTOP-DOP2ONS)\Documents\todoapp\functions     
> tsc

+  functions: Finished running predeploy script.
i  firestore: reading indexes from firestore.indexes.json...
i  cloud.firestore: checking firestore.rules for compilation errors...
+  cloud.firestore: rules file firestore.rules compiled successfully
i  functions: ensuring required API cloudfunctions.googleapis.com is enabled...
i  functions: ensuring required API cloudbuild.googleapis.com is enabled...
+  functions: required API cloudfunctions.googleapis.com is enabled
!  functions: missing required API cloudbuild.googleapis.com. Enabling now...

Error: HTTP Error: 400, Billing account for project '1045938759305' is not found. Billing must be enabled for activation of serv enabled for activation of service(s) 'cloudbuild.googleapis.com,containerregistry.googleapis.com' to proceed.