Hi,
Dear friend, several remarks:
1. you use the installation package - "Hellenic" - but in a very old version !!!!
In 2015, an upgrade to version 8.0 was made !!!
Here you have a link to this version:

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It should work correctly!
If not - there are many excellent specialists from iGO - from Greece - I think they will help.

PS. Many thanks for the great work for Authors and co-authors of the Hellas version - especially fellow Doupas (Doperman), Frontzosd, Tselias and all others who worked on this project!