NullInjectorError: No provider for *Service!

projects/common-map/src/fm-map/common-map.module.ts

@@ -9,7 +9,7 @@ import { ActionReducer, MetaReducer, StoreModule } from '@ngrx/store';
 import { AngularOpenlayersModule } from 'ng-openlayers';
 
 //common modules
-import { AppCommonModule } from '@farmmaps/common';
+import { AppCommonModule, ItemService, ItemTypeService } from '@farmmaps/common';
 
 import * as mapActions from './actions/map.actions';
 import * as mapEffects from './effects/map.effects';
@@ -73,6 +73,7 @@ import { DeviceOrientationService } from './services/device-orientation.service'
 import { FeatureIconService } from './services/feature-icon.service';
 import { GeolocationService } from './services/geolocation.service';
 import { TemporalService } from './services/temporal.service';
+import { FolderService } from 'projects/common/src/public-api';
 
 export function LocalStorageSync(reducer: ActionReducer<any>): ActionReducer<any> {
   const r = function(state, action) {
@@ -212,6 +213,9 @@ export {
     GeolocationService,
     DeviceOrientationService,
     TemporalService,
+    ItemTypeService,
+    ItemService,
+    FolderService,
     { provide: AbstractFeatureListComponent, useClass: FeatureListCroppingschemeComponent, multi: true },
     { provide: AbstractFeatureListComponent, useClass: FeatureListCropfieldComponent, multi: true },
     { provide: AbstractFeatureListFeatureComponent, useClass: FeatureListFeatureComponent, multi: true },
@@ -227,6 +231,5 @@ export {
   ]
 })
 
-
 export class AppCommonMapModule {  
 }