If you have done changes in configuration settings for the NSP application, e g added new fields in entities or changed setting in app.GlobalSettings you need to recycle the NSP application pool or empty NSP system cache for changes to take effect.
Also e g Role Permissions and Language Tags translation could be cached. If you have done changes here you need to empty the cache.
Run this command in a browser to empty NSP system cache:
https://”url to NSP Agent portal”/public/invalidatesystemcache
for example: