[GeoNetwork-users] Migrate geonetwork from 2.1 to 2.6.4

I am trying to migrate geonetwork node from version 2.1 to the current
2.6 using gast but am getting an error, I have tried importing the
export files but its not also working, any work around on this?

Regards
Waswa Steve

--
If alligator comes out of the water and tells you that crocodile is
sick...do you doubt his story-Just a thot