Steps to reproduce

• Install Live Data Exporter in a subwiki
• In that subwiki, perform an export of a Live Table: it should run fine
• Install Live Data Exporter in another subwiki

Actual result

When hitting "Export" from a Live Data in the first or the second subwiki, the export job is not triggered and the UI displays a JavaScript "Hello World!" notification in red background at the bottom of the window.

The server outputs the following errors:

WARNING: Could not create new instance of root resource class
org.xwiki.component.manager.ComponentLookupException: Failed to lookup component [org.xwiki.contrib.livedata.exporter.internal.rest.DefaultLiveDataExportResource] identified by type [interface org.xwiki.rest.XWikiRestComponent] and hint [org.xwiki.contrib.livedata.exporter.internal.rest.DefaultLiveDataExportResource]
	at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:204)
[...]

See full error log attached: error.txt