With 5.0.2 SSE we got the following error message (> 100 per day in jts.log)

Does anyone know what’s the meaning of this and how to resolve?

2015-02-11 13:18:08,036 [              WebContainer : 1] ERROR eam.repository.common.util.ExtensionRegistryReader  - CRJAZ0201I The extension reader with plugin id "LicenseKeyExtensionRegistry@d32efcb3, pluginId="com.ibm.team.repository.service", extensionPointId="licenseActivationKeys", started=<true>" failed to add an extension to the extension point "com.ibm.team.repository.service.licenseActivationKeys" with the plugin id "com.ibm.team.repository.service.licenseActivationKeys".
java.lang.IllegalArgumentException: CRJAZ0939I The activation key could not be found locally at "@rha_dm_reviewer@" and it does not appear to be a URL to a resource.
    at com.ibm.team.repository.service.internal.license.LicenseKeyElementDescriptor.checkElement(LicenseKeyElementDescriptor.java:53)
    at com.ibm.team.repository.common.transport.AbstractElementDescriptor.<init>(AbstractElementDescriptor.java:61)
    at com.ibm.team.repository.service.internal.license.LicenseKeyElementDescriptor.<init>(LicenseKeyElementDescriptor.java:34)