I had the same problem. I found a solution here https://forum.manjaro.org/index.php?topic=10354.msg103451#msg103451 I adding the parameter GRUB_SAVEDEFAULT=true to /etc/default/grub file and that fix the problem.
I had the same problem. /forum. manjaro. org/index. php?topic= 10354.msg103451 #msg103451 T=true to /etc/default/grub file and that fix the problem.
I found a solution here https:/
I adding the parameter GRUB_SAVEDEFAUL