mxater

I can modify varius *.class files in jar file, but when modify bcw.class I receibe the error

In mod forge client, I only modify bcw.class file, I replace url of session verification.

client forge client , mod forge client and forge server are installed from same file , all are forge v9.11.1.965

If i connect with clean forge client with online-mode=false, this connect correctly if I connect with mod forge client with online-mode=false, client close with error, and in server say "You don't have FML installed, you cannot connect to this server"

yes, forge is installed in server correctly, I can connect if put online-mode=false, but not if online-mode=true

I used forge server, this message send me the server

Hello, Iam new in the forum. I has a question, Iam modding the client and server to connect to another session server, but when Iam connect to server, say this error And in the server say this error but when I connect using a clean client, this connect correctly, but send the error "bad login". You can help me?