Thank you DJ Tsunami for help, I didn't got any errors instead I have this.
[SM] Loaded extension rip.ext.dll successfully.
L 05/08/2020 - 11:10
1: rcon from " ": command "sm exts load rip"
Tried to restart the server and these are the messages in console output I get from Tweaker / eItems
L 05/08/2020 - 11:11:29: [SM] Unable to load plugin "eItems.smx": Required extension "REST in Pawn" file("rip.ext") not running
L 05/08/2020 - 11:11:29: [SM] Unable to load plugin "ItemLog.smx": Could not find required plugin "CSGO_Items"
L 05/08/2020 - 11:11
0: [SM] Unable to load plugin "Tweaker.smx": Native "eItems_GetWeaponNumByDefIndex" was not found