Mounting fails on install and then on boot

I have get 64 bit with 4G RAM and SDD computer with installed Win7.

I’ve decide WIN7 change to linux from openSuse 15.5 DVD. I’use defaults with mini X system, but SDD divide to:
8G SUSE155 / (root)
8G SUSE156 /opt
450G HOME /home

On installation get error: can’t mount /?/opt ant /?/home partitions. From other terminal I’mount ant successfully install system.
But system boots to emergency, because system fails to mount partitions to / (root). I have commented /opt and /home partitions in /etc/fstab and system boots.
Then I mount partitions as root
mount -t ext4 /dev/sda3 /home
and can login as user now.

What should be remedy?

Welcome to the openSUSE forums.

Please show some information, like

lsblk -f

and

cat /etc/fstab

so we can see what you story is about.

Oh, and when you are not used to the peculiarities of the forums software, please always use the “Preformatted text” button (the one </>) on the selected copied/pasted terminal text.
And the text you copy/paste should start with the line with the prompt and command, then all output and then the line with the new prompt.

I’ve change date=ordered to defaults in /etc/fstab and no problems now.