Media Library URL Error

Questions and Answers Strapi Admin
4

I faced the same problem. To fix I found two solutions :

  • set STRAPI_ADMIN_BACKEND_URL to the URL of your strapi instance. It seems that it should be done at build time
  • use the following patch package
diff --git a/node_modules/@strapi/plugin-upload/admin/src/utils/appendSearchParamsToUrl.js b/node_modules/@strapi/plugin-upload/admin/src/utils/appendSearchParamsToUrl.js
index 730ba50..142f333 100644
--- a/node_modules/@strapi/plugin-upload/admin/src/utils/appendSearchParamsToUrl.js
+++ b/node_modules/@strapi/plugin-upload/admin/src/utils/appendSearchParamsToUrl.js
@@ -10,7 +10,7 @@ const appendSearchParamsToUrl = ({ url, params }) => {
     return url;
   }
 
-  const urlObj = new URL(url, window.strapi.backendURL ?? window.location.origin);
+  const urlObj = new URL(url, window.strapi.backendURL || window.location.origin);
 
   Object.entries(params).forEach(([key, value]) => {
     if (value !== undefined) {