SWPM System Copy stucked

I'm tryng to install export from source system (AIX/Oracle) to target system (Linux/HANA). But at the begining of the process i'm stucked at step:

Checking values... lasts indefinitely and not any error message appears or something.

This stucked phase:

Anybody knows what probmel is it? How to pass this step? SWPM is latest version.