The master fx glitch continues....

I’ve tried updating my op1 software to no avail. This master fx glitch is driving me nuts. I have no problem adding fx to drum or synth but when I try to implement master fx by pressing mixer and the number 3 I get this screen. PLEASE HELP!

I updated OS to 14203.Didnt work.
System reset did-fixed it straight away.Two days later no sign of glitch.