openbve error on start with System.ArgumentNullException: Value cannot be null. Parameter name: value

[P]

I am unable to get openbve running (see following errors)

$ openbve
Could not set X locale modifiers

(cli:2526): Gtk-WARNING **: Impossible de trouver le moteur de thème dans module_path : « adwaita »

(cli:2526): Gtk-WARNING **: Impossible de trouver le moteur de thème dans module_path : « adwaita »
libpng error: invalid after png_start_read_image or png_read_update_info
libpng error: invalid after png_start_read_image or png_read_update_info
libpng error: invalid after png_start_read_image or png_read_update_info
System.ArgumentNullException: Value cannot be null.
Parameter name: value
  at System.Windows.Forms.ImageList+ImageCollection+ImageListItem..ctor (System.Drawing.Image value) [0x00013] in <d5b72d15d4f7424c8a1538e3f19ec2e3>:0
  at System.Windows.Forms.ImageList+ImageCollection.Add (System.String key, System.Drawing.Image image) [0x00000] in <d5b72d15d4f7424c8a1538e3f19ec2e3>:0
  at OpenBve.formMain.formMain_Load (System.Object sender, System.EventArgs e) [0x017f6] in <9028e08e0701470e81812646b92e4e36>:0
  at System.Windows.Forms.Form.OnLoad (System.EventArgs e) [0x00022] in <d5b72d15d4f7424c8a1538e3f19ec2e3>:0
  at System.Windows.Forms.Form.OnLoadInternal (System.EventArgs e) [0x00029] in <d5b72d15d4f7424c8a1538e3f19ec2e3>:0

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: openbve 1.4.0.10-3
ProcVersionSignature: Ubuntu 4.13.0-19.22-lowlatency 4.13.13
Uname: Linux 4.13.0-19-lowlatency x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Dec 9 09:10:00 2017
EcryptfsInUse: Yes
InstallationDate: Installed on 2017-12-05 (3 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
PackageArchitecture: all
SourcePackage: openbve
UpgradeStatus: No upgrade log present (probably fresh install)