diff --git a/packages/twenty-server/src/engine/twenty-orm/utils/format-result.util.ts b/packages/twenty-server/src/engine/twenty-orm/utils/format-result.util.ts
index ed8949c2c5..e935f70ed0 100644
--- a/packages/twenty-server/src/engine/twenty-orm/utils/format-result.util.ts
+++ b/packages/twenty-server/src/engine/twenty-orm/utils/format-result.util.ts
@@ -6,7 +6,7 @@ import {
   FieldMetadataType,
   compositeTypeDefinitions,
 } from 'twenty-shared/types';
-import { isDefined } from 'twenty-shared/utils';
+import { isDefined, stringifySafely } from 'twenty-shared/utils';
 
 import {
   DEFAULT_ARRAY_FIELD_NULL_EQUIVALENT_VALUE,
@@ -194,7 +194,8 @@ export function formatResult<T>(
       | string
       | Date
       | null
-      | undefined;
+      | undefined
+      | Record<string, unknown>;
 
     if (!isDefined(rawUpdatedDateTime)) {
       continue;
@@ -208,9 +209,16 @@ export function formatResult<T>(
 
       // @ts-expect-error legacy noImplicitAny
       newData[dateTimeField.name] = dateIsoString;
+    } else if (isPlainObject(rawUpdatedDateTime)) {
+      const plainObjectValue = rawUpdatedDateTime;
+
+      // @ts-expect-error legacy noImplicitAny
+      newData[dateTimeField.name] = plainObjectValue;
     } else {
+      const stringifiedUnknownValue = stringifySafely(rawUpdatedDateTime);
+
       throw new Error(
-        `Invalid DATE_TIME field "${dateTimeField.name}", value: "${rawUpdatedDateTime}", it should be a string or Date instance, (current type : ${typeof rawUpdatedDateTime}).`,
+        `Invalid DATE_TIME field "${dateTimeField.name}", value: "${stringifiedUnknownValue}", it should be a string, Date instance or plain object, (current type : ${typeof rawUpdatedDateTime}).`,
       );
     }
   }
diff --git a/packages/twenty-server/test/integration/graphql/suites/inputs-validation/create-validation/__snapshots__/date-time-field-create-input-validation.integration-spec.ts.snap b/packages/twenty-server/test/integration/graphql/suites/inputs-validation/create-validation/__snapshots__/date-time-field-create-input-validation.integration-spec.ts.snap
index 230e817f8e..af4e350d7e 100644
--- a/packages/twenty-server/test/integration/graphql/suites/inputs-validation/create-validation/__snapshots__/date-time-field-create-input-validation.integration-spec.ts.snap
+++ b/packages/twenty-server/test/integration/graphql/suites/inputs-validation/create-validation/__snapshots__/date-time-field-create-input-validation.integration-spec.ts.snap
@@ -6,7 +6,7 @@ exports[`Create input validation - DATE_TIME Gql create input - failure DATE_TIM
 
 exports[`Create input validation - DATE_TIME Gql create input - failure DATE_TIME - should fail with : {"dateTimeField":{}} 1`] = `"Invalid value {} for date or date-time field "dateTimeField""`;
 
-exports[`Create input validation - DATE_TIME Gql create input - failure DATE_TIME - should fail with : {"dateTimeField":1} 1`] = `"Invalid DATE_TIME field "dateTimeField", value: "1", it should be a string or Date instance, (current type : number)."`;
+exports[`Create input validation - DATE_TIME Gql create input - failure DATE_TIME - should fail with : {"dateTimeField":1} 1`] = `"Invalid DATE_TIME field "dateTimeField", value: "1", it should be a string, Date instance or plain object, (current type : number)."`;
 
 exports[`Create input validation - DATE_TIME Gql create input - failure DATE_TIME - should fail with : {"dateTimeField":true} 1`] = `"Invalid value true for date or date-time field "dateTimeField""`;
 
@@ -16,6 +16,6 @@ exports[`Create input validation - DATE_TIME Rest create input - failure DATE_TI
 
 exports[`Create input validation - DATE_TIME Rest create input - failure DATE_TIME - should fail with : {"dateTimeField":{}} 1`] = `"["Invalid value {} for date or date-time field \\"dateTimeField\\""]"`;
 
-exports[`Create input validation - DATE_TIME Rest create input - failure DATE_TIME - should fail with : {"dateTimeField":1} 1`] = `"["Invalid DATE_TIME field \\"dateTimeField\\", value: \\"1\\", it should be a string or Date instance, (current type : number)."]"`;
+exports[`Create input validation - DATE_TIME Rest create input - failure DATE_TIME - should fail with : {"dateTimeField":1} 1`] = `"["Invalid DATE_TIME field \\"dateTimeField\\", value: \\"1\\", it should be a string, Date instance or plain object, (current type : number)."]"`;
 
 exports[`Create input validation - DATE_TIME Rest create input - failure DATE_TIME - should fail with : {"dateTimeField":true} 1`] = `"["Invalid value true for date or date-time field \\"dateTimeField\\""]"`;
diff --git a/packages/twenty-shared/src/utils/index.ts b/packages/twenty-shared/src/utils/index.ts
index 3278672d78..21b7c1e452 100644
--- a/packages/twenty-shared/src/utils/index.ts
+++ b/packages/twenty-shared/src/utils/index.ts
@@ -146,6 +146,7 @@ export { getHumanReadableNameFromCode } from './sentry/getHumanReadableNameFromC
 export { appendCopySuffix } from './strings/appendCopySuffix';
 export { capitalize } from './strings/capitalize';
 export { pascalCase } from './strings/pascalCase';
+export { stringifySafely } from './strings/stringifySafely';
 export { uncapitalize } from './strings/uncapitalize';
 export type {
   TipTapMarkType,
diff --git a/packages/twenty-shared/src/utils/strings/__tests__/stringifySafely.test.ts b/packages/twenty-shared/src/utils/strings/__tests__/stringifySafely.test.ts
new file mode 100644
index 0000000000..56b502cd96
--- /dev/null
+++ b/packages/twenty-shared/src/utils/strings/__tests__/stringifySafely.test.ts
@@ -0,0 +1,88 @@
+import { stringifySafely } from '../stringifySafely';
+
+describe('stringifySafely', () => {
+  it('should stringify a simple object', () => {
+    expect(stringifySafely({ foo: 'bar' })).toBe('{"foo":"bar"}');
+  });
+
+  it('should stringify an array', () => {
+    expect(stringifySafely([1, 2, 3])).toBe('[1,2,3]');
+  });
+
+  it('should stringify a string', () => {
+    expect(stringifySafely('hello')).toBe('"hello"');
+  });
+
+  it('should stringify a number', () => {
+    expect(stringifySafely(42)).toBe('42');
+  });
+
+  it('should stringify null', () => {
+    expect(stringifySafely(null)).toBe('null');
+  });
+
+  it('should stringify undefined', () => {
+    expect(stringifySafely(undefined)).toBe('undefined');
+  });
+
+  it('should stringify a boolean', () => {
+    expect(stringifySafely(true)).toBe('true');
+    expect(stringifySafely(false)).toBe('false');
+  });
+
+  it('should stringify +Infinity', () => {
+    expect(stringifySafely(+Infinity)).toBe('Infinity');
+  });
+
+  it('should stringify Infinity', () => {
+    expect(stringifySafely(Infinity)).toBe('Infinity');
+  });
+
+  it('should stringify -Infinity', () => {
+    expect(stringifySafely(-Infinity)).toBe('-Infinity');
+  });
+
+  it('should stringify NaN', () => {
+    expect(stringifySafely(NaN)).toBe('NaN');
+  });
+
+  it('should fall back to String() for circular references', () => {
+    const circularObj: Record<string, unknown> = { foo: 'bar' };
+    circularObj.self = circularObj;
+
+    expect(stringifySafely(circularObj)).toBe('[object Object]');
+  });
+
+  it('should fall back to String() for BigInt values', () => {
+    const bigIntValue = BigInt(9007199254740991);
+
+    expect(stringifySafely(bigIntValue)).toBe('9007199254740991');
+  });
+
+  it('should fall back to String() for functions', () => {
+    // eslint-disable-next-line func-style, prefer-arrow/prefer-arrow-functions
+    const namedFunction = function myFunction() {
+      return 'test';
+    };
+
+    expect(stringifySafely(namedFunction)).toBe(namedFunction.toString());
+  });
+
+  it('should fall back to String() for arrow functions', () => {
+    const arrowFunction = () => 'test';
+
+    expect(stringifySafely(arrowFunction)).toBe(arrowFunction.toString());
+  });
+
+  it('should fall back to String() for symbols', () => {
+    const symbol = Symbol('testSymbol');
+
+    expect(stringifySafely(symbol)).toBe('Symbol(testSymbol)');
+  });
+
+  it('should fall back to String() for symbols without description', () => {
+    const symbol = Symbol();
+
+    expect(stringifySafely(symbol)).toBe('Symbol()');
+  });
+});
diff --git a/packages/twenty-shared/src/utils/strings/stringifySafely.ts b/packages/twenty-shared/src/utils/strings/stringifySafely.ts
new file mode 100644
index 0000000000..9097cdaa80
--- /dev/null
+++ b/packages/twenty-shared/src/utils/strings/stringifySafely.ts
@@ -0,0 +1,25 @@
+export const stringifySafely = (value: unknown): string => {
+  try {
+    if (value === undefined) {
+      return 'undefined';
+    } else if (value === null) {
+      return 'null';
+    } else if (value === Infinity) {
+      return 'Infinity';
+    } else if (value === -Infinity) {
+      return '-Infinity';
+    } else if (typeof value === 'number' && isNaN(value)) {
+      return 'NaN';
+    }
+
+    const stringifiedValue = JSON.stringify(value);
+
+    if (stringifiedValue === undefined) {
+      return String(value);
+    }
+
+    return stringifiedValue;
+  } catch {
+    return String(value);
+  }
+};