[SOGo] migrating contacts and calendar to a newer version

[Pablo Luchetti]

Is there a simple way to migrate contacts and calendar from sogo version 
1.2.2.20100311  to sogo version 1.3.7 ?  (ubuntu)

When I try, a lot of errors appear in logs, so, I created a new 
database, and have sogo old with database old and sogo new with database 
new.

Any ideas ?

Thank you!!
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