Error updating table with rowguidcol

For Spanish version visit this link Error al actualizar tabla con columna rowguid
In one of our environments, we have two SQL Server 2008 R2 DB aligned together by Peer to Peer replication, and each of the databases have a Merge replication with multiple subscribers.
When we try to make an update on a article/table that is published in Merge and Peer to Peer shows this error:
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