I'm having in game lag while streaming in OBS, but I don't have dropped frames.

[Stevow]

What could be the issue?
Im streaming in output mode: advanced
bitrate 3k
encoder:x264
resolution 1920x1080 for base canvas
output scaled res 1280x720

What could be causing this?
im playing a single player game and doesn't need internet.

 

[PaiSand]

Please restart OBS and perform a test stream/recording for more than 30 seconds doing as you normally do, including playing games, full camera or whatever you normally do.
Now look inside Help menu. Upload the current log file and paste the url to the log in here. Click on the Analize button to start troubleshooting common issues.