package software-properties-common 0.98.9.5 failed to install/upgrade: unable to create '/etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf.dpkg-new' (while processing './etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf'): Read-only file system

[MHFormoly]

while installing mysql-server-core-8.0 or any other packages. at first it was fine i do install apache2 but when i tried to install mysql then i faced this error

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: software-properties-common 0.98.9.5
ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22
Uname: Linux 5.11.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
AptOrdering:
 software-properties-common:amd64: Install
 software-properties-gtk:amd64: Install
 python3-software-properties:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Nov 26 14:14:20 2021
ErrorMessage: unable to create '/etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf.dpkg-new' (while processing './etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf'): Read-only file system
InstallationDate: Installed on 2021-11-24 (1 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.6
SourcePackage: software-properties
Title: package software-properties-common 0.98.9.5 failed to install/upgrade: unable to create '/etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf.dpkg-new' (while processing './etc/dbus-1/system.d/com.ubuntu.SoftwareProperties.conf'): Read-only file system
UpgradeStatus: No upgrade log present (probably fresh install)