Error 7002.1 when launching GTA V Legacy through RAGE MP

[netjdjd]

Hello. I am trying to connect to my local RAGE MP server at 127.0.0.1:22005.

My server starts correctly and is ready to accept connections. GTA V Legacy on Steam can launch normally, but when I try to connect through RAGE MP, I get error 7002.1 and the game does not launch properly.

I already:
- verified GTA V files in Steam
- removed or disabled mod-related files and folders from the GTA V directory
- ran RAGE MP as administrator

Rockstar Support told me this issue is related to RAGE MP and advised me to contact you.

Could you please tell me what usually causes error 7002.1 when launching GTA V Legacy through RAGE MP and what I should check next?