Do not report error statistics for extensions not mapped to gallery

src/vs/platform/extensionManagement/node/extensionManagementService.ts

@@ -459,8 +459,11 @@ export class ExtensionManagementService implements IExtensionManagementService {
 
 	private async postUninstallExtension(extension: ILocalExtension, error?: string): TPromise<void> {
 		if (!error) {
+			// only report if extension has a mapped gallery extension. UUID identifies the gallery extension.
+			if (extension.identifier.uuid) {
 				await this.galleryService.reportStatistic(extension.manifest.publisher, extension.manifest.name, extension.manifest.version, StatisticType.Uninstall);
 			}
+		}
 
 		this._onDidUninstallExtension.fire({ identifier: extension.identifier, error });
 	}