QGIS internal file /usr/share/qgis/resources/data/world_map.shp is not a valid or recognized data source.

[Andrew Aitchison]

On Ubuntu 19.10
  /usr/bin/qgis /usr/share/qgis/resources/data/world_map.shp
reports:
  ERROR 4: `/usr/share/qgis/resources/data/world_map.shp' not recognized as a supported file format.

This is a file packaged with QGIS.

Further, when chosing an CRS, the world map (which should highlight the valid area of the selected CRS is not displayed.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: qgis 3.4.10+dfsg-1build1
ProcVersionSignature: Ubuntu 5.3.0-20.21-generic 5.3.7
Uname: Linux 5.3.0-20-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.1
Architecture: amd64
Date: Wed Oct 30 09:24:06 2019
InstallationDate: Installed on 2018-12-01 (332 days ago)
InstallationMedia: Lubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: qgis
UpgradeStatus: Upgraded to eoan on 2019-10-25 (4 days ago)

[Andrew Aitchison (werdnakendal)]

This is a regression; the version of qgis in Ubuntu 19.04 showed the CRS world map and did not report this error.

[Andrew Aitchison (werdnakendal)]

Fixed in Ubuntu 20.04, qgis 3.10.4+dfsg-1ubuntu2.