How to initialize a demo DB

Good morning,

first of all: I'm new in SAP HANA, so please be kind with a noob.

Here's my question: after a long afternoon, I've installed the SAP HANA platform and SAP B1 fors SAP HANA in an host.

Anyway, I've tried to initialize the society of the demo DB (OEC Computers) from the administration console but this process don't want to work.

Here's the log of the failed initialization