Fix

Author: rkodev

packages/abstractions/src/store/backingStoreParseNodeFactory.ts

@@ -14,9 +14,6 @@ export class BackingStoreParseNodeFactory extends ParseNodeProxyFactory {
 	 * @param concrete the concrete implementation of the ParseNodeFactory
 	 */
 	public constructor(concrete: ParseNodeFactory) {
-		if (!concrete) {
-			throw new Error("Concrete ParseNodeFactory implementation is required");
-		}
 		super(
 			concrete,
 			(value) => {