Ok, since this is a new NVC thread, I'll leave my question here.
I have created new wallet.dat in NVC wallet v0.5.8. It has created two addresses, one of which was 5GRL58UchMDGajQir1PvYeraZ2nxuBk2Q8NEwkX36awvxDCt2WMq289Hi33keZrGhoPrfLtPdAsAQpi
acQgRdFPLHX8B7MJnuF8.
So I took this long address an sent all my remaining NVC from old wallet.dat. The transaction was successfully generated and sent to the network. I even paid a certain amount as a commission.
So after that I see this in my old wallet, from which the transaction has been sent (and confirmed):

Tx ID:
https://explorer.novaco.in/tx/b088af9bc369ce1eb019e3f65d8137ada42a0c46e1f949494cef352f3b60b728Sorry in advance, but... What the fuck it was? Where are my NVC now? My newly created wallet is totally empty.