ERROR when upgrade Ubuntu

I have a droplet in digitalocean with Openlitespeed for running a wordpress based website using Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-55-generic x86_64) .
My OLS version :

LiteSpeed/1.4.49 Open (built: Mon Jul 15 18:56:17 UTC 2019)
module versions:
modpagespeed 2.2-
cache 1.61
modinspector 1.1
uploadprogress 1.1
mod_security 1.1

The site working and running. But when I upgrade OS using apt upgrade, it show error like

WARNING: Module 7.2 ini file doesn't exist under /etc/php/7.2/mods-available

This error showing more than 30 lines.
I have try to copy php.ini to that directory but nothing change. It keep show error. Please help me to fix it. Thank you.
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