ERROR in Error: Metadata version mismatch for module angularfire2, found version 4, expected 3

[pmoubed]

ERROR in Error: Metadata version mismatch for module C:/www/angularfs/node_modules/angularfire2/index.d.ts, found version 4, expected 3, resolving symbol AppModule in C:/www/angularfs/src/app/app.module.ts, resolving symbol AppModule in C:/www/angularfs/src/app/app.mo
dule.ts, resolving symbol AppModule in C:/www/angularfs/src/app/app.module.ts
at syntaxError (C:\www\angularfs\node_modules@angular\compiler\bundles\compiler.umd.js:1729:34)
at simplifyInContext (C:\www\angularfs\node_modules@angular\compiler\bundles\compiler.umd.js:24979:23)
at StaticReflector.simplify (C:\www\angularfs\node_modules@angular\compiler\bundles\compiler.umd.js:24991:13)
at StaticReflector.annotations (C:\www\angularfs\node_modules@angular\compiler\bundles\compiler.umd.js:24418:41)
at _getNgModuleMetadata (C:\www\angularfs\node_modules@angular\compiler-cli\src\ngtools_impl.js:138:31)
at _extractLazyRoutesFromStaticModule (C:\www\angularfs\node_modules@angular\compiler-cli\src\ngtools_impl.js:109:26)
at Object.listLazyRoutesOfModule (C:\www\angularfs\node_modules@angular\compiler-cli\src\ngtools_impl.js:53:22)
at Function.NgTools_InternalApi_NG_2.listLazyRoutes (C:\www\angularfs\node_modules@angular\compiler-cli\src\ngtools_api.js:91:39)
at AotPlugin._getLazyRoutesFromNgtools (C:\www\angularfs\node_modules@ngtools\webpack\src\plugin.js:212:44)
at _donePromise.Promise.resolve.then.then.then.then.then (C:\www\angularfs\node_modules@ngtools\webpack\src\plugin.js:448:24)
at
at process._tickCallback (internal/process/next_tick.js:188:7)

webpack: Failed to compile.

npm -v
5.5.1
node -v
v8.9.0

[JBuckGuy]

yeah i also had the same exact issue, were you able to figure it out?