kakake@linux-gsde:~> blender
blender: symbol lookup error: /usr/lib64/libOpenColorIO.so.1: undefined symbol:
_ZN4YAML6detail9node_data12empty_scalarB5cxx11E

Try executing Blender in terminal result in this message.

I did

sudo zypper clean
sudo zypper ref
sudo zypper rm -u blender
sudo zypper in blender

reboot

still same problem. 

The question was also ask here:
https://forums.opensuse.org/showthread.php/538693-Blender-failed-to-launch-after-update-symbol-lookup-error-undefine-symbol?p=2923840#post2923840

Blender 2.81-2.1-x86_64 from vendor openSUSE
Operating System: openSUSE Tumbleweed 20200103
KDE Plasma Version: 5.17.4
KDE Frameworks Version: 5.65.0
Qt Version: 5.13.1
Kernel Version: 5.3.12-2-default
OS Type: 64-bit
Processors: 8 �� Intel�� Core��� i7-3770 CPU @ 3.40GHz
Memory: 7.5 GiB of RAM