diff --git a/packages/core/src/mappers/renderer.ts b/packages/core/src/mappers/renderer.ts
index f67730334..97e2d8aa3 100644
--- a/packages/core/src/mappers/renderer.ts
+++ b/packages/core/src/mappers/renderer.ts
@@ -791,10 +791,20 @@ export const mapStateToMasterListItemProps = (
     state.jsonforms.i18n.translate,
     uischema
   );
+  const subErrors = getSubErrorsAt(childPath, schema)(state);
+  const childErrors = getCombinedErrorMessage(
+    subErrors,
+    getErrorTranslator()(state),
+    getTranslator()(state),
+    undefined,
+    undefined,
+    undefined
+  );
 
   return {
     ...ownProps,
     childLabel,
+    childErrors,
   };
 };
 
@@ -823,6 +833,7 @@ export interface OwnPropsOfMasterListItem {
 
 export interface StatePropsOfMasterItem extends OwnPropsOfMasterListItem {
   childLabel: string;
+  childErrors: string;
 }
 
 /**
diff --git a/packages/material-renderers/src/additional/ListWithDetailMasterItem.tsx b/packages/material-renderers/src/additional/ListWithDetailMasterItem.tsx
index 4814925ca..2b8c82fef 100644
--- a/packages/material-renderers/src/additional/ListWithDetailMasterItem.tsx
+++ b/packages/material-renderers/src/additional/ListWithDetailMasterItem.tsx
@@ -32,13 +32,18 @@ import {
   ListItemSecondaryAction,
   ListItemText,
   Tooltip,
+  SxProps,
 } from '@mui/material';
 import DeleteIcon from '@mui/icons-material/Delete';
 import React from 'react';
+import ValidationIcon from '../complex/ValidationIcon';
+
+const avatarSx: SxProps = { display: 'inline-flex', marginRight: '.25rem' };
 
 export const ListWithDetailMasterItem = ({
   index,
   childLabel,
+  childErrors,
   selected,
   enabled,
   handleSelect,
@@ -50,7 +55,10 @@ export const ListWithDetailMasterItem = ({
   return (
     <ListItemButton selected={selected} onClick={handleSelect(index)}>
       <ListItemAvatar>
-        <Avatar aria-label='Index'>{index + 1}</Avatar>
+        <Avatar aria-label='Index' sx={avatarSx}>
+          {index + 1}
+        </Avatar>
+        <ValidationIcon id='tooltip-validation' errorMessages={childErrors} />
       </ListItemAvatar>
       <ListItemText primary={childLabel} />
       {enabled && !disableRemove && (
diff --git a/packages/material-renderers/src/additional/MaterialListWithDetailRenderer.tsx b/packages/material-renderers/src/additional/MaterialListWithDetailRenderer.tsx
index 22cbc2229..1b4aaee03 100644
--- a/packages/material-renderers/src/additional/MaterialListWithDetailRenderer.tsx
+++ b/packages/material-renderers/src/additional/MaterialListWithDetailRenderer.tsx
@@ -73,7 +73,8 @@ export const MaterialListWithDetailRenderer = ({
 }: ArrayLayoutProps & { translations: ArrayTranslations }) => {
   const [selectedIndex, setSelectedIndex] = useState(undefined);
   const handleRemoveItem = useCallback(
-    (p: string, value: any) => () => {
+    (p: string, value: any) => (e?: React.MouseEvent) => {
+      e?.stopPropagation();
       removeItems(p, [value])();
       if (selectedIndex === value) {
         setSelectedIndex(undefined);
@@ -81,7 +82,7 @@ export const MaterialListWithDetailRenderer = ({
         setSelectedIndex(selectedIndex - 1);
       }
     },
-    [removeItems, setSelectedIndex]
+    [removeItems, setSelectedIndex, selectedIndex]
   );
   const handleListItemClick = useCallback(
     (index: number) => () => setSelectedIndex(index),
diff --git a/packages/material-renderers/src/layouts/ExpandPanelRenderer.tsx b/packages/material-renderers/src/layouts/ExpandPanelRenderer.tsx
index fc02b28e6..59a1a3368 100644
--- a/packages/material-renderers/src/layouts/ExpandPanelRenderer.tsx
+++ b/packages/material-renderers/src/layouts/ExpandPanelRenderer.tsx
@@ -30,6 +30,10 @@ import {
   ArrayTranslations,
   computeChildLabel,
   UpdateArrayContext,
+  subErrorsAt,
+  fetchErrorTranslator,
+  fetchTranslator,
+  getCombinedErrorMessage,
 } from '@jsonforms/core';
 import {
   Accordion,
@@ -39,13 +43,16 @@ import {
   Grid,
   IconButton,
   Tooltip,
+  SxProps,
 } from '@mui/material';
 import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
 import ArrowUpward from '@mui/icons-material/ArrowUpward';
 import ArrowDownward from '@mui/icons-material/ArrowDownward';
 import DeleteIcon from '@mui/icons-material/Delete';
+import ValidationIcon from '../complex/ValidationIcon';
 
 const iconStyle: any = { float: 'right' };
+const avatarSx: SxProps = { display: 'inline-flex', marginRight: '.25rem' };
 
 interface OwnPropsOfExpandPanel {
   enabled: boolean;
@@ -70,6 +77,7 @@ interface OwnPropsOfExpandPanel {
 interface StatePropsOfExpandPanel extends OwnPropsOfExpandPanel {
   childLabel: string;
   childPath: string;
+  childErrors: string;
   enableMoveUp: boolean;
   enableMoveDown: boolean;
 }
@@ -100,6 +108,7 @@ const ExpandPanelRendererComponent = (props: ExpandPanelProps) => {
     enabled,
     childLabel,
     childPath,
+    childErrors,
     index,
     expanded,
     moveDown,
@@ -146,11 +155,19 @@ const ExpandPanelRendererComponent = (props: ExpandPanelProps) => {
       onChange={handleExpansion(childPath)}
     >
       <AccordionSummary expandIcon={<ExpandMoreIcon />}>
-        <Grid container alignItems={'center'}>
+        <Grid container alignItems='center'>
           <Grid item xs={7} md={9}>
-            <Grid container alignItems={'center'}>
+            <Grid container alignItems='center'>
               <Grid item xs={2} md={1}>
-                <Avatar aria-label='Index'>{index + 1}</Avatar>
+                <Avatar aria-label='Index' sx={avatarSx}>
+                  {index + 1}
+                </Avatar>
+                {childErrors.length !== 0 && (
+                  <ValidationIcon
+                    id='tooltip-validation'
+                    errorMessages={childErrors}
+                  />
+                )}
               </Grid>
               <Grid item xs={10} md={11}>
                 <span id={labelHtmlId}>{childLabel}</span>
@@ -379,12 +396,26 @@ export const withContextToExpandPanelProps = (
       uischema,
     ]);
 
+    const childErrors = useMemo(
+      () =>
+        getCombinedErrorMessage(
+          subErrorsAt(childPath, schema)(ctx.core),
+          fetchErrorTranslator(ctx.i18n),
+          fetchTranslator(ctx.i18n),
+          undefined,
+          undefined,
+          undefined
+        ),
+      [ctx.core.errors, ctx.core.validationMode, ctx.i18n, schema, childPath]
+    );
+
     return (
       <Component
         {...props}
         {...dispatchProps}
         childLabel={childLabel}
         childPath={childPath}
+        childErrors={childErrors}
         uischemas={uischemas}
       />
     );