Resolving symbol AppModule in app.module.ts

1
votes
WARNING in ./~/angularfire2/firebase.app.module.js 3:40-54 "export
'InjectionToken' was not found in '@angular/core'

WARNING in ./~/angularfire2/angularfire2.js 4:26-40 "export
'InjectionToken' was not found in '@angular/core'

ERROR in Metadata version mismatch for module

/opt/lampp/htdocs/admin2/node_modules/angularfire2/index.d.ts, found version 4, expected 3, resolving symbol AppModule in /opt/lampp/htdocs/admin2/src/app/app.module.ts, resolving symbol AppModule in /opt/lampp/htdocs/admin2/src/app/app.module.ts, resolving symbol AppModule in /opt/lampp/htdocs/admin2/src/app/app.module.ts

1
angularangularfire2

1 Answers

0
votes
ERROR in Metadata version mismatch for module

It seems you used the old version of angularfire2 package; Try

1.npm cache clean
2.npm install angularfire2 firebase --save