Things to check:
- Make sure that all are licensed. If they are not licensed you see a license dialog in following;
a) Joomla back end >> Components >> Paid Membership Manager
b) Joomla back end >> Plugins Manager
If you also have our Advanced Profile rights control extension, check the following:
- This file should have correct permissions:
(normally 644). It should not be read only. If it is read only, please make it writable. Then go in plugins manager, disable jomsomu system plugin and enable it again.