Support intro
Sorry to hear you’re facing problems 
help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where we can ensure your business keeps running smoothly.
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (15.0.2):
Operating system and version (Ubuntu 18.04):
Apache or nginx version (Apache 2.4.37):
PHP version (7.3.1):
The issue you are facing:
On my Nextcloud I can’t install new apps, because it loads endless.
