I'm using cura 5.2.1 with my ender 5 pro and have had problems with the walls not adhering to each other using pla at a temperature of 210*C, layer height .12-.2, bed temp 50, fan speed 100%, wall flow speed: I have tried between 100 and 120% the last picture was 1wall and 100% infill and the walls don't mesh with the infill