+1 the last bit hahaLol people are crazy about doing the opposite... Anyway just flash the Stock firmware via bootloader and you will be back on 7.1.1
Don't forget to backup your EFS folder ...infact backup the whole ROM (and upload the backup of ROM here lol)
Good Luck
I am not able to install linage os on Moto z play+1 the last bit haha
Would you please describe the situation in details, without which there would be little anyone would be able to say.I am not able to install linage os on Moto z play