try fix

package.json

 {
     "name": "react-ag-qeditor",
-    "version": "1.0.70",
+    "version": "1.0.71",
     "description": "WYSIWYG html editor",
     "author": "atma",
     "license": "MIT",

src/QEditor.jsx

@@ -497,17 +497,17 @@ const QEditor = ({
             // Color.configure({
             //     types: ['textStyle']
             // }),
-            Highlight.configure({
-                multicolor: true
-            }),
+            // Highlight.configure({
+            //     multicolor: true
+            // }),
             // CustomLink.configure({
             //     linkOnPaste: false,
             //     openOnClick: false
             // }),
-            Focus.configure({
-                className: 'atma-editor-focused',
-                mode: 'all'
-            }),
+            // Focus.configure({
+            //     className: 'atma-editor-focused',
+            //     mode: 'all'
+            // }),
             DragAndDrop.configure({
                 linkUpload: uploadOptions.url
             }),