BDR: pg_stat_bdr: cache lookup failed

Hi we are currently testing BDR 0.9.2 and I set up a two node cluster. From one node I can run:

select * from bdr.pg_stat_bdr

and it gives me the rows fine but on the other node I get the following error:

ERROR: cache lookup failed for replication identifier id: 4

Any idea why?

The server log produces this:

2015-10-14 21:01:13.313 UTC,"postgres","deliver",30783,"[local]",561ec296.783f,3,"SELECT",2015-10-14 21:01:10 UTC,6/5,0,ERROR,XX000,"cache lookup failed for replication identifier id: 4",,,,,,"select * from bdr.pg_stat_bdr;",,,"psql"

Thanks
-Selim