.

components/blog/BlogItem.js

@@ -88,7 +88,7 @@ const BlogsItem = ({ blogs, loading }) => {
                   <div className="box-01">
                     <div className="inner">
                       <Accordion className="accordion-filter" defaultActiveKey="0" flush>
-                        {categories.data.map((item, key) => {
+                        {categories && categories.data.map((item, key) => {
                           return (
                             <Accordion.Item eventKey={key} key={key}>
                               <Accordion.Header>{item.attributes.name}</Accordion.Header>