package gimp-plugin-registry (not installed) failed to install/upgrade: forsøger at overskrive '/usr/lib/gimp/2.0/plug-ins/wavelet-decompose', som også er i pakken gimp 2.10.2+omg-0ubu18.04.1~ppa

[Tom Rausner]

Was trying to install extra packages for GIMP to use

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: gimp-plugin-registry (not installed)
ProcVersionSignature: Ubuntu 4.15.0-17.18-generic 4.15.17
Uname: Linux 4.15.0-17-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Fri Jun 8 23:45:31 2018
ErrorMessage: forsøger at overskrive '/usr/lib/gimp/2.0/plug-ins/wavelet-decompose', som også er i pakken gimp 2.10.2+omg-0ubu18.04.1~ppa
InstallationDate: Installed on 2018-04-10 (59 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: gimp-plugin-registry
Title: package gimp-plugin-registry (not installed) failed to install/upgrade: forsøger at overskrive '/usr/lib/gimp/2.0/plug-ins/wavelet-decompose', som også er i pakken gimp 2.10.2+omg-0ubu18.04.1~ppa
UpgradeStatus: No upgrade log present (probably fresh install)

[Erich Eickmeyer (eeickmeyer)]

The items included with gimp-plugin-registry already exist within the package from that PPA, which is why you're seeing the error. Furthermore, PPA package installations are not supported.