I am seeing this error in the console, for further, I enable the debug mode and visit the link it shows me this error, right now Cognitive Process Designer diagram isn't shows, the loading icon continuously appearing over the page.
[62c7061bdcc4a3cb3550d53d] /mediawiki-server/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector Error: Class 'MWStake\MediaWiki\Component\ManifestRegistry\ManifestAttributeBasedRegistry' not found
Backtrace:
from /var/www/html/mediawiki-server/extensions/CognitiveProcessDesigner/src/CpdInspectorPluginModules.php(13)