I want to create buffer and set up distance in meters as units. The file is in WSG 84/UTM zone 18N. The project CRS is also set to WSG 84/UTM zone 18N. Units for distance measurement are set to meters (Project Properties/General settings) and Map tools preferred distance units are sets to meters. OTF is enabled. I use Fixed distance buffer tool and results are wrong it seems like a buffer is created in degrees not in meters. Is it a problem with a projection or the settings are wrong?