Problem solved, after trying all variants of TWRP available on twrp.me there was not even 1 working on a Stock ROM T810.
So i uninstalled all drivers involved and removed the latest Odin (Odin_3v3.14.4) and started clean install:
-->> Odin3_v3.13 <<-- and -->> Samsung USB drivers 1.7.23.0 <<--...