It appears that the repository has undergone several changes and renamings:

backend/node_modules/nanoid/url-alphabet/index.cjs

@@ -1,7 +0,0 @@
-// This alphabet uses `A-Za-z0-9_-` symbols.
-// The order of characters is optimized for better gzip and brotli compression.
-// Same as in non-secure/index.js
-let urlAlphabet =
-  'useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict'
-
-module.exports = { urlAlphabet }