ng server get error: "ERROR in Error encountered resolving symbol values statically. Calling function 'OpaqueToken', function calls are not supported. Consider replacing the function or lambda with a reference to an exported function, resolving symbol FirebaseUserConfig in /Users/Kakalot/stkt/pinterest/node_modules/angularfire2/tokens.d.ts, resolving symbol AngularFireModule.initializeApp in /Users/Kakalot/stkt/pinterest/node_modules/angularfire2/angularfire2.d.ts, resolving symbol AppModule in /Users/Kakalot/stkt/pinterest/src/app/app.module.ts, resolving symbol AppModule in /Users/Kakalot/stkt/pinterest/src/app/app.module.ts webpack: Failed to compile."

[hafquangbaox]

When i run "ng serve", i got error:
"ERROR in Error encountered resolving symbol values statically. Calling function 'OpaqueToken', function calls are not supported. Consider replacing the function or lambda with a reference to an exported function, resolving symbol FirebaseUserConfig in /Users/Kakalot/stkt/pinterest/node_modules/angularfire2/tokens.d.ts, resolving symbol AngularFireModule.initializeApp in /Users/Kakalot/stkt/pinterest/node_modules/angularfire2/angularfire2.d.ts, resolving symbol AppModule in /Users/Kakalot/stkt/pinterest/src/app/app.module.ts, resolving symbol AppModule in /Users/Kakalot/stkt/pinterest/src/app/app.module.ts
webpack: Failed to compile."

node: v8.2.0
npm: v5.3.0
_ _ ____ _ ___
/ \ _ __ __ _ _ | | __ _ _ __ / | | | |
/ △ \ | ' \ / _ | | | | |/ _ | '| | | | | | |
/ ___ | | | | (| | || | | (| | | | || | | |
// __| ||_, |_,||_,|| _|||
|___/
@angular/cli: 1.2.1
node: 8.2.0
os: darwin x64
@angular/animations: 4.0.0
@angular/common: 4.0.0
@angular/compiler: 4.0.0
@angular/compiler-cli: 4.0.0
@angular/core: 4.0.0
@angular/forms: 4.0.0
@angular/http: 4.0.0
@angular/platform-browser: 4.0.0
@angular/platform-browser-dynamic: 4.0.0
@angular/platform-server: 4.0.0
@angular/router: 4.0.0
@angular/cli: 1.2.1

Someone can help me fix this, please

[derob357]

same here.

[pkrawat1]

Can you please remove angularfire2 and reinstall it.

[JayKan]

@pkrawat1,

Removed angularfire2 and reinstalled angualrfire2, still getting the same error

[mohammadjouhari]

Any luck ? resovling the issue same here ?