Corrected error with finding field values

force-app/main/default/lwc/opportunityCustomClone/opportunityCustomClone.js

@@ -50,7 +50,7 @@ export default class OpportunityCustomClone extends NavigationMixin(LightningEle
     @wire(ObtainChildRelationships)
     processChildRelationships({error, data}) {
         if(error) {
-            window.console.log('There is an error obtaining Cild Relationships');
+            window.console.log('There is an error obtaining Child Relationships');
             window.console.error(error);
         }
 
@@ -145,19 +145,28 @@ export default class OpportunityCustomClone extends NavigationMixin(LightningEle
         });
     }
 
+    get hasRecordInfoResponse(){
+        return typeof(this.recordInfo)!=='undefined' && this.recordInfo !== null;
+    }
+    get hasFieldInfo(){
+        return Array.isArray(this.displayedFields) && this.displayedFields.length > 0;
+    }
+
     get formFields(){
-        var formFieldsToReturn = [];
+        var fieldRequirementMap, formFieldsToReturn = [];
-        var fieldRequirementMap = this.requiredFieldMap;
+        if(this.hasRecordInfoResponse && this.hasFieldInfo){
+            fieldRequirementMap = this.requiredFieldMap;
             if(this.opportunityFields && this.displayedFields && this.recordInfo) {
                 this.displayedFields.forEach(fieldName => { 
                     let fieldItem = fieldRequirementMap[fieldName];
                     let fieldDisplay = JSON.parse(JSON.stringify(this.opportunityFields[fieldName]));
-                if(!fieldItem){
+                    if(!fieldItem && typeof(this.recordInfo[fieldName])!=='undefined'){
                         fieldDisplay.value = this.recordInfo[fieldName].value;
                     }
                     formFieldsToReturn.push(fieldDisplay);
                 });
             }
+        }
         return formFieldsToReturn;
     }
 }