[CE] unable to access UI (Unhandled Promise rejection)

mn.exception.handler.service.js:49 Error: [$injector:unpr] Unknown provider: $injector2Provider <- $injector2

https://errors.angularjs.org/1.8.0/$injector/unpr?p0=%24injector2Provider%20%3C-%20%24injector2

    at index-729b989c.js:137:12

    at index-729b989c.js:4990:19

    at Object.getService [as get] (index-729b989c.js:5150:32)

    at index-729b989c.js:4995:45

    at getService (index-729b989c.js:5150:32)

    at injectionArgs (index-729b989c.js:5175:58)

    at Object.invoke (index-729b989c.js:5199:18)

    at index-729b989c.js:5006:62

    at forEach (index-729b989c.js:387:20)

    at createInjector (index-729b989c.js:5006:3)

handleError @ mn.exception.handler.service.js:49

(anonymous) @ core.js:26509

e.invoke @ zone.js:19

t.run @ zone.js:19

NgZone2.runOutsideAngular @ core.js:25871

(anonymous) @ core.js:26509

e.invoke @ zone.js:19

onInvoke @ core.js:25912

e.invoke @ zone.js:19

t.run @ zone.js:19

(anonymous) @ zone.js:27

e.invokeTask @ zone.js:19

onInvokeTask @ core.js:25903

e.invokeTask @ zone.js:19

t.runTask @ zone.js:19

_ @ zone.js:19

t.invokeTask @ zone.js:19

_ @ zone.js:50

m @ zone.js:50

load (async)

z @ zone.js:50

e.scheduleTask @ zone.js:19

t.scheduleTask @ zone.js:19

t.scheduleEventTask @ zone.js:19

(anonymous) @ zone.js:50

Z.a.set @ zone.js:35

ResourceLoaderImpl2.get @ platform-browser-dynamic.js:339

DirectiveNormalizer2._fetch @ compiler.js:18560

(anonymous) @ compiler.js:18682

DirectiveNormalizer2._loadMissingExternalStylesheets @ compiler.js:18682

DirectiveNormalizer2._normalizeTemplateMetadata @ compiler.js:18630

(anonymous) @ compiler.js:18587

then @ compiler.js:2411

DirectiveNormalizer2.normalizeTemplate @ compiler.js:18587

CompileMetadataResolver2.loadDirectiveMetadata @ compiler.js:20836

(anonymous) @ compiler.js:27223

(anonymous) @ compiler.js:27222

JitCompiler2._loadModules @ compiler.js:27219

JitCompiler2._compileModuleAndComponents @ compiler.js:27197

JitCompiler2.compileModuleAsync @ compiler.js:27157

CompilerImpl2.compileModuleAsync @ platform-browser-dynamic.js:146

compileNgModuleFactory__PRE_R3__ @ core.js:26232

PlatformRef2.bootstrapModule @ core.js:26441

(anonymous) @ main.js:18

zone.js:27 Unhandled Promise rejection: [$injector:unpr] Unknown provider: $injector2Provider <- $injector2

https://errors.angularjs.org/1.8.0/$injector/unpr?p0=%24injector2Provider%20%3C-%20%24injector2 ; Zone: <root> ; Task: Promise.then ; Value: Error: [$injector:unpr] Unknown provider: $injector2Provider <- $injector2

https://errors.angularjs.org/1.8.0/$injector/unpr?p0=%24injector2Provider%20%3C-%20%24injector2

    at index-729b989c.js:137:12

    at index-729b989c.js:4990:19

    at Object.getService [as get] (index-729b989c.js:5150:32)

    at index-729b989c.js:4995:45

    at getService (index-729b989c.js:5150:32)

    at injectionArgs (index-729b989c.js:5175:58)

    at Object.invoke (index-729b989c.js:5199:18)

    at index-729b989c.js:5006:62

    at forEach (index-729b989c.js:387:20)

    at createInjector (index-729b989c.js:5006:3) Error: [$injector:unpr] Unknown provider: $injector2Provider <- $injector2

https://errors.angularjs.org/1.8.0/$injector/unpr?p0=%24injector2Provider%20%3C-%20%24injector2

    at http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:210

    at http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:52283

    at Object.getService [as get] (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:4:468)

    at http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:52487

    at getService (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:4:468)

    at injectionArgs (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:4:1023)

    at Object.invoke (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:4:1428)

    at http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:52976

    at forEach (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:1528)

    at createInjector (http://172.23.104.91:8091/jsout/chunk-ZC47CG5T.js:2:52924)