diff --git a/demo/collections/NestedArrays.ts b/demo/collections/NestedArrays.ts
index 020921189f..0c2b8a4697 100644
--- a/demo/collections/NestedArrays.ts
+++ b/demo/collections/NestedArrays.ts
@@ -57,7 +57,6 @@ const NestedArray: PayloadCollectionConfig = {
                   name: 'grandchildIdentifier',
                   label: 'Grandchild Identifier',
                   type: 'text',
-                  required: true,
                 },
               ],
             },
diff --git a/src/admin/components/forms/Form/reduceFieldsToValues.ts b/src/admin/components/forms/Form/reduceFieldsToValues.ts
index d3881566bd..6fbe19bbc0 100644
--- a/src/admin/components/forms/Form/reduceFieldsToValues.ts
+++ b/src/admin/components/forms/Form/reduceFieldsToValues.ts
@@ -5,7 +5,7 @@ const reduceFieldsToValues = (fields: Fields, flatten?: boolean): Data => {
   const data = {};
 
   Object.keys(fields).forEach((key) => {
-    if (!fields[key].disableFormData && fields[key].value !== undefined) {
+    if (!fields[key].disableFormData) {
       if (fields[key].stringify) {
         data[key] = JSON.stringify(fields[key].value);
       } else {
diff --git a/src/fields/config/sanitize.ts b/src/fields/config/sanitize.ts
index 6f12f1def7..d164abb7d9 100644
--- a/src/fields/config/sanitize.ts
+++ b/src/fields/config/sanitize.ts
@@ -20,7 +20,11 @@ const sanitizeFields = (fields, validRelationships) => {
 
     if (typeof field.validate === 'undefined') {
       const defaultValidate = validations[field.type];
-      field.validate = (val) => defaultValidate(val, field);
+      if (defaultValidate) {
+        field.validate = (val) => defaultValidate(val, field);
+      } else {
+        field.validate = () => true;
+      }
     }
 
     if (!field.hooks) field.hooks = {};
diff --git a/src/fields/traverseFields.ts b/src/fields/traverseFields.ts
index 1cbafe7360..1eb241d074 100644
--- a/src/fields/traverseFields.ts
+++ b/src/fields/traverseFields.ts
@@ -170,16 +170,20 @@ const traverseFields = (args: Arguments): void => {
         });
       } else if (fieldIsArrayType(field)) {
         if (Array.isArray(data[field.name])) {
-          (data[field.name] as Record<string, unknown>[]).forEach((rowData, i) => {
+          for (let i = 0; i < data[field.name].length; i += 1) {
+            if (typeof (data[field.name][i]) === 'undefined') {
+              data[field.name][i] = {};
+            }
+
             traverseFields({
               ...args,
               fields: field.fields,
-              data: rowData,
+              data: data[field.name][i] || {},
               originalDoc: originalDoc?.[field.name]?.[i],
               docWithLocales: docWithLocales?.[field.name]?.[i],
               path: `${path}${field.name}.${i}.`,
             });
-          });
+          }
         }
       } else {
         traverseFields({
@@ -202,7 +206,7 @@ const traverseFields = (args: Arguments): void => {
             traverseFields({
               ...args,
               fields: block.fields,
-              data: rowData,
+              data: rowData || {},
               originalDoc: originalDoc?.[field.name]?.[i],
               docWithLocales: docWithLocales?.[field.name]?.[i],
               path: `${path}${field.name}.${i}.`,