diff --git a/.eslintrc b/.eslintrc
index 0de7f9bd00b..ddbf14fe09f 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -119,6 +119,7 @@
           "pficon",
           "poolsurl",
           "popstate",
+          "posinset",
           "pqr",
           "ptable",
           "puppetclass",
@@ -141,6 +142,7 @@
           "scrollable",
           "scsi",
           "securityfailure",
+          "setsize",
           "sizex",
           "sizey",
           "Solaris",
diff --git a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/BuildModal.js b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/BuildModal.js
index ede2dc23c28..4cdc39184a1 100644
--- a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/BuildModal.js
+++ b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/BuildModal.js
@@ -1,12 +1,11 @@
 import PropTypes from 'prop-types';
-import React, { useState } from 'react';
+import React from 'react';
 import { useSelector, useDispatch } from 'react-redux';
 import {
   Modal,
   ModalVariant,
   Button,
   Alert,
-  TreeView,
   Stack,
   StackItem,
 } from '@patternfly/react-core';
@@ -21,9 +20,9 @@ import { selectBuildErrorsTree, selectNoErrorState } from './Selectors';
 import { buildHost } from './actions';
 import StatusIcon from '../Status/StatusIcon';
 import { ERROR_STATUS_STATE, OK_STATUS_STATE } from '../Status/Constants';
+import { ErrorsTree } from './ErrorsTree/ErrorsTree';
 
 const BuildModal = ({ isModalOpen, onClose, hostFriendlyId, hostName }) => {
-  const [activeErrors, setActiveErrors] = useState();
   const errorsTree = useSelector(selectBuildErrorsTree);
   const noErrors = useSelector(selectNoErrorState);
   const dispach = useDispatch();
@@ -32,9 +31,6 @@ const BuildModal = ({ isModalOpen, onClose, hostFriendlyId, hostName }) => {
     foremanUrl(`/hosts/${hostFriendlyId}/review_before_build`),
     API_OPTIONS
   );
-  const onSelectError = (evt, treeViewItem) => {
-    setActiveErrors([treeViewItem]);
-  };
 
   return (
     <Modal
@@ -107,12 +103,7 @@ const BuildModal = ({ isModalOpen, onClose, hostFriendlyId, hostName }) => {
                   statusNumber={ERROR_STATUS_STATE}
                 />
 
-                <TreeView
-                  data={errorsTree}
-                  activeItems={activeErrors}
-                  onSelect={onSelectError}
-                  hasBadges
-                />
+                <ErrorsTree data={errorsTree} />
               </>
             )}
           </SkeletonLoader>
diff --git a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/ErrorsTree.js b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/ErrorsTree.js
new file mode 100644
index 00000000000..ddf8bbab16c
--- /dev/null
+++ b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/ErrorsTree.js
@@ -0,0 +1,106 @@
+import React from 'react';
+import { TableComposable, Tbody } from '@patternfly/react-table';
+import PropTypes from 'prop-types';
+import { ErrorsTreePrimaryRow } from './components/ErrorsTreePrimaryRow';
+import { ErrorsTreeSecondaryRow } from './components/ErrorsTreeSecondaryRow';
+
+export const ErrorsTree = props => {
+  const [expandedNodeNames, setExpandedNodeNames] = React.useState([]);
+  const [
+    expandedDetailsNodeNames,
+    setExpandedDetailsNodeNames,
+  ] = React.useState([]);
+
+  const renderPrimaryRows = (
+    [node, ...remainingNodes],
+    level = 1,
+    posinset = 1,
+    rowIndex = 0,
+    isHidden = false
+  ) => {
+    if (!node) {
+      return [];
+    }
+    const isExpanded = expandedNodeNames.includes(node.id);
+    const isDetailsExpanded = expandedDetailsNodeNames.includes(node.id);
+
+    const childRows =
+      node.children && node.children.length
+        ? renderSecondaryRows(
+            node.children,
+            level + 1,
+            1,
+            rowIndex + 1,
+            !isExpanded || isHidden
+          )
+        : [];
+    return [
+      <ErrorsTreePrimaryRow
+        posinset={posinset}
+        key={node.id}
+        node={node}
+        isExpanded={isExpanded}
+        isDetailsExpanded={isDetailsExpanded}
+        setExpandedNodeNames={setExpandedNodeNames}
+        setExpandedDetailsNodeNames={setExpandedDetailsNodeNames}
+      />,
+
+      ...childRows,
+      ...renderPrimaryRows(
+        remainingNodes,
+        level,
+        posinset + 1,
+        rowIndex + 1 + childRows.length,
+        isHidden
+      ),
+    ];
+  };
+
+  const renderSecondaryRows = (
+    [node, ...remainingNodes],
+    level,
+    posinset,
+    rowIndex,
+    isHidden = false
+  ) => {
+    if (!node) {
+      return [];
+    }
+
+    return [
+      <ErrorsTreeSecondaryRow
+        posinset={posinset}
+        key={rowIndex}
+        node={node}
+        isHidden={isHidden}
+      />,
+
+      ...renderSecondaryRows(
+        remainingNodes,
+        level,
+        posinset + 1,
+        rowIndex + 1,
+        isHidden
+      ),
+    ];
+  };
+
+  return (
+    <TableComposable
+      ouiaId="errorsTreeTable"
+      isTreeTable
+      aria-label="Tree table"
+      variant="compact"
+    >
+      <Tbody>{renderPrimaryRows(props.data)}</Tbody>
+    </TableComposable>
+  );
+};
+
+ErrorsTree.propTypes = {
+  data: PropTypes.array,
+};
+
+ErrorsTree.defaultProps = {
+  data: [],
+};
diff --git a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorPresenter.js b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorPresenter.js
new file mode 100644
index 00000000000..14a9877ba0d
--- /dev/null
+++ b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorPresenter.js
@@ -0,0 +1,24 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { ClipboardCopy } from '@patternfly/react-core';
+import { translate as __ } from '../../../../../../react_app/common/I18n';
+
+export const ErrorPresenter = props => (
+  <ClipboardCopy
+    isReadOnly
+    isBlock
+    hoverTip={__('Copy')}
+    clickTip={__('Copied!')}
+    variant="inline-compact"
+  >
+    {props.errorMessage}
+  </ClipboardCopy>
+);
+
+ErrorPresenter.propTypes = {
+  errorMessage: PropTypes.string,
+};
+
+ErrorPresenter.defaultProps = {
+  errorMessage: '',
+};
diff --git a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreePrimaryRow.js b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreePrimaryRow.js
new file mode 100644
index 00000000000..fb6849c0ce7
--- /dev/null
+++ b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreePrimaryRow.js
@@ -0,0 +1,72 @@
+import React from 'react';
+import { Td, TreeRowWrapper } from '@patternfly/react-table';
+import { Badge } from '@patternfly/react-core';
+import PropTypes from 'prop-types';
+
+export const ErrorsTreePrimaryRow = props => {
+  const { isExpanded } = props;
+  const { isDetailsExpanded } = props;
+
+  const treeRow = {
+    onCollapse: () =>
+      props.setExpandedNodeNames(prevExpanded => {
+        const otherExpandedNodeNames = prevExpanded.filter(
+          name => name !== props.node.id
+        );
+        return props.isExpanded
+          ? otherExpandedNodeNames
+          : [...otherExpandedNodeNames, props.node.id];
+      }),
+    onToggleRowDetails: () =>
+      props.setExpandedDetailsNodeNames(prevDetailsExpanded => {
+        const otherDetailsExpandedNodeNames = prevDetailsExpanded.filter(
+          name => name !== props.node.id
+        );
+        return isDetailsExpanded
+          ? otherDetailsExpandedNodeNames
+          : [...otherDetailsExpandedNodeNames, props.node.id];
+      }),
+    props: {
+      isExpanded,
+      isDetailsExpanded,
+      'aria-level': 1,
+      'aria-posinset': props.posinset,
+      'aria-setsize': props.node.children ? props.node.children.length : 0,
+    },
+  };
+
+  return (
+    <TreeRowWrapper
+      row={{
+        props: treeRow.props,
+      }}
+    >
+      <Td treeRow={treeRow}>
+        <>
+          {props.node.name}{' '}
+          <Badge key={`${props.node.name}_badge`} isRead>
+            {props.node.children.length}
+          </Badge>
+        </>
+      </Td>
+    </TreeRowWrapper>
+  );
+};
+
+ErrorsTreePrimaryRow.propTypes = {
+  posinset: PropTypes.number,
+  isExpanded: PropTypes.bool,
+  isDetailsExpanded: PropTypes.bool,
+  setExpandedNodeNames: PropTypes.func,
+  setExpandedDetailsNodeNames: PropTypes.func,
+  node: PropTypes.object,
+};
+
+ErrorsTreePrimaryRow.defaultProps = {
+  posinset: 0,
+  isExpanded: false,
+  isDetailsExpanded: false,
+  setExpandedNodeNames: () => {},
+  setExpandedDetailsNodeNames: () => {},
+  node: {},
+};
diff --git a/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreeSecondaryRow.js b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreeSecondaryRow.js
new file mode 100644
index 00000000000..484a03caed2
--- /dev/null
+++ b/webpack/assets/javascripts/react_app/components/HostDetails/ActionsBar/ErrorsTree/components/ErrorsTreeSecondaryRow.js
@@ -0,0 +1,41 @@
+import React from 'react';
+import { Td, TreeRowWrapper } from '@patternfly/react-table';
+import PropTypes from 'prop-types';
+import { ErrorPresenter } from './ErrorPresenter';
+
+export const ErrorsTreeSecondaryRow = props => {
+  const { isHidden } = props;
+
+  const treeRow = {
+    props: {
+      isHidden,
+      'aria-level': 2,
+      'aria-posinset': props.posinset,
+      'aria-setsize': 0,
+    },
+  };
+
+  return (
+    <TreeRowWrapper
+      row={{
+        props: treeRow.props,
+      }}
+    >
+      <Td dataLabel="Variable" treeRow={treeRow}>
+        <ErrorPresenter errorMessage={props.node?.name} />
+      </Td>
+    </TreeRowWrapper>
+  );
+};
+
+ErrorsTreeSecondaryRow.propTypes = {
+  posinset: PropTypes.number,
+  isHidden: PropTypes.bool,
+  node: PropTypes.object,
+};
+
+ErrorsTreeSecondaryRow.defaultProps = {
+  posinset: 0,
+  isHidden: false,
+  node: {},
+};