Essentials Blog plugin RSS import gives a syntax error.

see attached image

[INFO] [talledLocalContainer] Caused by: java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.dashboard.blog.BlogDaemonModuleInstruction.process(BlogDaemonModuleInstruction.java:78)
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.dashboard.instruction.ExecuteInstruction.process(ExecuteInstruction.java:94)
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.dashboard.instruction.executors.PluginInstructionExecutor.execute(PluginInstructionExecutor.java:48)
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.dashboard.packaging.DefaultInstructionPackage.execute(DefaultInstructionPackage.java:185)
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.rest.PluginResource.setupPlugin(PluginResource.java:345)
[INFO] [talledLocalContainer] at org.onehippo.cms7.essentials.rest.PluginResource.setupPluginGeneralized(PluginResource.java:216)
[INFO] [talledLocalContainer] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[INFO] [talledLocalContainer] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[INFO] [talledLocalContainer] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[INFO] [talledLocalContainer] at java.lang.reflect.Method.invoke(Method.java:497)
[INFO] [talledLocalContainer] at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:181)
[INFO] [talledLocalContainer] at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:97)
[INFO] [talledLocalContainer] ... 37 more
[INFO] [talledLocalContainer] 09:24:38 INFO Exporting content/documents/myhippoproject/blogFacets.xml to module bootstrap/content
[INFO] [talledLocalContainer] 09:24:38 INFO Exporting configuration/modules/essentials-eventbus-listener.xml to module bootstrap/configuration