Org.apache.felix.scr:2.1.16 (43)Circular reference detected

Hi,

did just see this in my log. Didn’t changed anything on my OpenHab 2.5. (org.openhab.core:2.5.0.201909300301) The OH is running on a QNAP NAS, so may be…

bundle org.apache.felix.scr:2.1.16 (43)Circular reference detected trying to get service {org.eclipse.smarthome.core.items.MetadataProvider}={service.id=234, service.bundleid=183, service.scope=bundle, component.name=org.eclipse.smarthome.core.semantics.internal.SemanticsMetadataProvider, component.id=127}
stack of references: ServiceReference: {org.eclipse.smarthome.core.items.MetadataProvider}={service.id=234, service.bundleid=183, service.scope=bundle, component.name=org.eclipse.smarthome.core.semantics.internal.SemanticsMetadataProvider, component.id=127}
ServiceReference: {org.eclipse.smarthome.core.items.ItemRegistry}={service.id=233, service.bundleid=133, service.scope=bundle, component.name=org.eclipse.smarthome.core.internal.items.ItemRegistryImpl, component.id=141}
ServiceReference: {org.eclipse.smarthome.core.items.MetadataRegistry}={service.id=232, service.bundleid=133, service.scope=bundle, component.name=org.eclipse.smarthome.core.internal.items.MetadataRegistryImpl, component.id=145}

Any ideas where to look?

Thanks in advance!

Rgds
André