diff --git a/.changeset/lazy-strings-guess.md b/.changeset/lazy-strings-guess.md
new file mode 100644
index 00000000000..09f3d8e0741
--- /dev/null
+++ b/.changeset/lazy-strings-guess.md
@@ -0,0 +1,5 @@
+---
+'@keystone-6/core': patch
+---
+
+Fixes BigInt values throwing on deserialisation in the item view
diff --git a/examples/default-values/schema.graphql b/examples/default-values/schema.graphql
index c3bc4b10f58..aa67d35a1a7 100644
--- a/examples/default-values/schema.graphql
+++ b/examples/default-values/schema.graphql
@@ -8,6 +8,7 @@ type Task {
   isComplete: Boolean
   assignedTo: Person
   finishBy: DateTime
+  viewCount: BigInt
 }
 
 enum TaskPriorityType {
@@ -18,6 +19,8 @@ enum TaskPriorityType {
 
 scalar DateTime @specifiedBy(url: "https://datatracker.ietf.org/doc/html/rfc3339#section-5.6")
 
+scalar BigInt
+
 input TaskWhereUniqueInput {
   id: ID
 }
@@ -32,6 +35,7 @@ input TaskWhereInput {
   isComplete: BooleanFilter
   assignedTo: PersonWhereInput
   finishBy: DateTimeNullableFilter
+  viewCount: BigIntNullableFilter
 }
 
 input IDFilter {
@@ -96,12 +100,24 @@ input DateTimeNullableFilter {
   not: DateTimeNullableFilter
 }
 
+input BigIntNullableFilter {
+  equals: BigInt
+  in: [BigInt!]
+  notIn: [BigInt!]
+  lt: BigInt
+  lte: BigInt
+  gt: BigInt
+  gte: BigInt
+  not: BigIntNullableFilter
+}
+
 input TaskOrderByInput {
   id: OrderDirection
   label: OrderDirection
   priority: OrderDirection
   isComplete: OrderDirection
   finishBy: OrderDirection
+  viewCount: OrderDirection
 }
 
 enum OrderDirection {
@@ -115,6 +131,7 @@ input TaskUpdateInput {
   isComplete: Boolean
   assignedTo: PersonRelateToOneForUpdateInput
   finishBy: DateTime
+  viewCount: BigInt
 }
 
 input PersonRelateToOneForUpdateInput {
@@ -134,6 +151,7 @@ input TaskCreateInput {
   isComplete: Boolean
   assignedTo: PersonRelateToOneForCreateInput
   finishBy: DateTime
+  viewCount: BigInt
 }
 
 input PersonRelateToOneForCreateInput {
diff --git a/examples/default-values/schema.prisma b/examples/default-values/schema.prisma
index 974677659d4..27c848fdb8f 100644
--- a/examples/default-values/schema.prisma
+++ b/examples/default-values/schema.prisma
@@ -20,6 +20,7 @@ model Task {
   assignedTo   Person?   @relation("Task_assignedTo", fields: [assignedToId], references: [id])
   assignedToId String?   @map("assignedTo")
   finishBy     DateTime?
+  viewCount    BigInt?   @default(0)
 
   @@index([assignedToId])
 }
diff --git a/examples/default-values/schema.ts b/examples/default-values/schema.ts
index 93ba2ceee66..0cd3b3dd84d 100644
--- a/examples/default-values/schema.ts
+++ b/examples/default-values/schema.ts
@@ -1,5 +1,5 @@
 import { list } from '@keystone-6/core';
-import { checkbox, relationship, text, timestamp } from '@keystone-6/core/fields';
+import { bigInt, checkbox, relationship, text, timestamp } from '@keystone-6/core/fields';
 import { select } from '@keystone-6/core/fields';
 import { allowAll } from '@keystone-6/core/access';
 import { Lists } from '.keystone/types';
@@ -19,6 +19,7 @@ export const lists: Lists = {
         hooks: {
           resolveInput({ resolvedData, inputData }) {
             if (inputData.priority === undefined) {
+              //  default to high if "urgent" is in the label
               if (inputData.label && inputData.label.toLowerCase().includes('urgent')) {
                 return 'high';
               } else {
@@ -64,6 +65,10 @@ export const lists: Lists = {
           },
         },
       }),
+      // Static default: When a task is first created, it has been viewed zero times
+      viewCount: bigInt({
+        defaultValue: 0n,
+      }),
     },
   }),
   Person: list({
diff --git a/packages/core/src/fields/types/bigInt/views/index.tsx b/packages/core/src/fields/types/bigInt/views/index.tsx
index aca2ee9e396..76dbae0db50 100644
--- a/packages/core/src/fields/types/bigInt/views/index.tsx
+++ b/packages/core/src/fields/types/bigInt/views/index.tsx
@@ -14,6 +14,16 @@ import {
 import { CellLink, CellContainer } from '../../../../admin-ui/components';
 import { useFormattedInput } from '../../integer/views/utils';
 
+type Validation = {
+  isRequired: boolean;
+  min: bigint;
+  max: bigint;
+};
+
+type Value =
+  | { kind: 'create'; value: string | bigint | null }
+  | { kind: 'update'; value: string | bigint | null; initial: unknown | null };
+
 function BigIntInput({
   value,
   onChange,
@@ -131,36 +141,36 @@ export const CardValue: CardValueComponent = ({ item, field }) => {
 };
 
 function validate(
-  value: Value,
+  state: Value,
   validation: Validation,
   label: string,
   hasAutoIncrementDefault: boolean
 ): string | undefined {
-  const val = value.value;
-  if (typeof val === 'string') {
-    return `${label} must be a whole number`;
+  const { kind, value } = state;
+  if (typeof value === 'string') {
+    return `${label} must be a BigInt`;
   }
 
-  // if we recieve null initially on the item view and the current value is null,
+  // if we receive null initially on the item view and the current value is null,
   // we should always allow saving it because:
   // - the value might be null in the database and we don't want to prevent saving the whole item because of that
   // - we might have null because of an access control error
-  if (value.kind === 'update' && value.initial === null && val === null) {
+  if (kind === 'update' && state.initial === null && value === null) {
     return undefined;
   }
 
-  if (value.kind === 'create' && value.value === null && hasAutoIncrementDefault) {
+  if (kind === 'create' && value === null && hasAutoIncrementDefault) {
     return undefined;
   }
 
-  if (validation.isRequired && val === null) {
+  if (validation.isRequired && value === null) {
     return `${label} is required`;
   }
-  if (typeof val === 'bigint') {
-    if (val < validation.min) {
+  if (typeof value === 'bigint') {
+    if (value < validation.min) {
       return `${label} must be greater than or equal to ${validation.min}`;
     }
-    if (val > validation.max) {
+    if (value > validation.max) {
       return `${label} must be less than or equal to ${validation.max}`;
     }
   }
@@ -168,16 +178,6 @@ function validate(
   return undefined;
 }
 
-type Validation = {
-  isRequired: boolean;
-  min: bigint;
-  max: bigint;
-};
-
-type Value =
-  | { kind: 'update'; initial: bigint | null; value: string | bigint | null }
-  | { kind: 'create'; value: string | bigint | null };
-
 export const controller = (
   config: FieldControllerConfig<{
     validation: {
@@ -214,7 +214,14 @@ export const controller = (
           ? BigInt(config.fieldMeta.defaultValue)
           : null,
     },
-    deserialize: data => ({ kind: 'update', value: data[config.path], initial: data[config.path] }),
+    deserialize: data => {
+      const raw = data[config.path];
+      return {
+        kind: 'update',
+        value: raw === null ? null : BigInt(raw),
+        initial: raw,
+      };
+    },
     serialize: value => ({ [config.path]: value.value === null ? null : value.value.toString() }),
     hasAutoIncrementDefault,
     validate: value =>
diff --git a/packages/core/src/fields/types/integer/views/utils.tsx b/packages/core/src/fields/types/integer/views/utils.tsx
index de28a5ddeac..388b8903b44 100644
--- a/packages/core/src/fields/types/integer/views/utils.tsx
+++ b/packages/core/src/fields/types/integer/views/utils.tsx
@@ -24,11 +24,7 @@ export function useFormattedInput<ParsedValue extends ParsedValueBase>(
   // typeof value === 'string' implies the unparsed form
   // typeof value !== 'string' implies the parsed form
   if (typeof value === 'string' && typeof config.parse(value) !== 'string') {
-    throw new Error(
-      `Valid values must be passed in as a parsed value, not a raw value. The value you passed was \`${JSON.stringify(
-        value
-      )}\`, you should pass \`${JSON.stringify(config.parse(value))}\` instead`
-    );
+    throw new Error(`Expected ${typeof config.parse(value)}, got ${typeof value}`);
   }
   let [internalValueState, setInternalValueState] = useState(() =>
     typeof value === 'string' ? value : config.format(value)