This was more readable (sorry Hayder, 100% my bad)

Author: benface

website/src/pages/[locale]/supported-networks/[id].mdx

@@ -8,13 +8,16 @@ import { getSupportedNetworks } from '@/supportedNetworks'
 
 export const getStaticPaths = async () => {
   const networks = await getSupportedNetworks()
-  const paths = supportedLocales.flatMap((locale) =>
-    networks.map((network) => ({
-      params: { locale, id: network.id },
-    }))
-  )
-
-return { paths, fallback: false } }
+  const paths = []
+  for (const locale of supportedLocales) {
+    for (const network of networks) {
+      paths.push({
+        params: { locale, id: network.id },
+      })
+    }
+  }
+  return { paths, fallback: false }
+}
 
 export const getStaticProps = async ({ params }) => {
   const { locale, id } = params