Crashes on entering story mode

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*** Please fill in the fields below.  Remove any placeholders that are unused/not applicable.

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## Description

Maintainer of FreeBSD STK port here, trying to update it to 1.2.



When trying to enter story mode or run a single race exists with the error:



`[fatal  ] Scripting: Failed to create script engine.`



## Steps to reproduce

Run stk, click on 'Story mode'





## Configuration



<!-- Please specify the version of STK you are using.  The version can be found in the "About" screen. -->

STK release version: 1.2 



<!-- Please specify where you downloaded STK -->

STK Source (PPA, distribution package, official binary, etc.): **official FreeBSD port being updated to 1.2** 



System: **FreeBSD 12.1 amd64**



Graphics card: **Intel(R) HD Graphics 520 (Skylake GT2)**



CPU: **Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz (2808.10-MHz K8-class CPU)**



## Additional information

<!--

Please provide stdout.log, it is located in:

* %appdata%\supertuxkart\config-0.10 (Windows)

* ~/Library/Application Support/supertuxkart/config-0.10 (mac)

* $XDG_CONFIG_HOME/supertuxkart/config-0.10 or ~/.config/supertuxkart/config-0.10 (Linux and other unix based systems)

-->

stdout.log:

```

[info   ] [FileManager]: Data files will be fetched from: '/usr/local/share/supertuxkart/data/'

[info   ] [FileManager]: User directory is '/home/marakasov/.config/supertuxkart/config-0.10/'.

[info   ] [FileManager]: Addons files will be stored in '/home/marakasov/.local/share/supertuxkart/addons/'.

[info   ] [FileManager]: Screenshots will be stored in '/home/marakasov/.local/share/supertuxkart/screenshots/'.

[info   ] [FileManager]: User-defined grand prix will be stored in '/home/marakasov/.local/share/supertuxkart/grandprix/'.

[info   ] [FileManager]: Asset 0 will be loaded from '/usr/local/share/supertuxkart/data/challenges/'.

[info   ] [FileManager]: Asset 1 will be loaded from '/usr/local/share/supertuxkart/data/gfx/'.

[info   ] [FileManager]: Asset 2 will be loaded from '/usr/local/share/supertuxkart/data/grandprix/'.

[info   ] [FileManager]: Asset 3 will be loaded from '/usr/local/share/supertuxkart/data/gui/icons/'.

[info   ] [FileManager]: Asset 4 will be loaded from '/usr/local/share/supertuxkart/data/gui/screens/'.

[info   ] [FileManager]: Asset 5 will be loaded from '/usr/local/share/supertuxkart/data/gui/dialogs/'.

[info   ] [FileManager]: Asset 6 will be loaded from '/usr/local/share/supertuxkart/data/replay/'.

[info   ] [FileManager]: Asset 7 will be loaded from '/usr/local/share/supertuxkart/data/shaders/'.

[info   ] [FileManager]: Asset 8 will be loaded from '/usr/local/share/supertuxkart/data/skins/'.

[info   ] [FileManager]: Asset 9 will be loaded from '/usr/local/share/supertuxkart/data/ttf/'.

[info   ] [FileManager]: Asset 10 will be loaded from '/usr/local/share/supertuxkart/data/po/'.

[info   ] [FileManager]: Asset 11 will be loaded from '/usr/local/share/supertuxkart/data/library/'.

[info   ] [FileManager]: Asset 12 will be loaded from '/usr/local/share/supertuxkart/data/models/'.

[info   ] [FileManager]: Asset 13 will be loaded from '/usr/local/share/supertuxkart/data/music/'.

[info   ] [FileManager]: Asset 14 will be loaded from '/usr/local/share/supertuxkart/data/sfx/'.

[info   ] [FileManager]: Asset 15 will be loaded from '/usr/local/share/supertuxkart/data/textures/'.

[info   ] [FileManager]: Asset 16 will be loaded from '/usr/local/share/supertuxkart/data/tracks/'.

[verbose  ] translation: Env var LANGUAGE = 'en'.

[verbose  ] translation: Language 'English'.

[info   ] IrrDriver: OpenGL version: 4.5

[info   ] IrrDriver: OpenGL vendor: Intel Open Source Technology Center

[info   ] IrrDriver: OpenGL renderer: Mesa DRI Intel(R) HD Graphics 520 (Skylake GT2) 

[info   ] IrrDriver: OpenGL version string: 4.5 (Core Profile) Mesa 19.0.8

[info   ] GLDriver: ARB Buffer Storage Present

[info   ] GLDriver: ARB Compute Shader Present

[info   ] GLDriver: ARB Arrays of Arrays Present

[info   ] GLDriver: ARB Texture Storage Present

[info   ] GLDriver: ARB Texture View Present

[info   ] GLDriver: ARB Image Load Store Present

[info   ] GLDriver: ARB Shader Atomic Counters Present

[info   ] GLDriver: ARB Shader Storage Buffer Object Present

[info   ] GLDriver: EXT Texture Compression S3TC Present

[info   ] GLDriver: ARB Uniform Buffer Object Present

[info   ] GLDriver: ARB Explicit Attrib Location Present

[info   ] GLDriver: EXT Texture Filter Anisotropic Present

[info   ] GLDriver: Geometry Shaders Present

[info   ] GLDriver: ARB Texture Buffer Object Present

[info   ] GLDriver: ARB Texture Swizzle Present

[info   ] GLDriver: ARB Pixel Buffer Object Present

[info   ] GLDriver: ARB Sampler Objects Present

[info   ] GLDriver: ARB Vertex Type 2_10_10_10_rev Present

[info   ] GLDriver: ARB Instanced Arrays Present

[info   ] SharedGPUObjects: Hardware Skinning enabled, method: TBO, max bones: 1024

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/screenquad.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/motion_blur.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/lightning.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/primitive2dlist.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/transparent.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/texturedquad.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/uniformcolortexturedquad.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/texturedquad.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/coloredquad.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/coloredquad.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/colortexturedquad.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/colortexturedquad.frag

[info   ] irr_driver: GLSL supported.

[error  ] FontManager: Something wrong when loading a glyph! The error code was 7.

[error  ] FontManager: /usr/local/share/supertuxkart/data/ttf/NotoColorEmoji.ttf doesn't have color, ignored.

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_pass.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_solid.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_shadow.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/white.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_skinning.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_skinning_shadow.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_normal_map.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_alpha_test.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_shadow_alpha_test.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_decal.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_grass_pass.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_grass.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_grass_shadow.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_unlit.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_transparent.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_ghost.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_dynamic_night_bloom.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_tilling_mitigation.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_vertical_mapping.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_road_blending.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_displace.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/colorize.frag

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_normal_visualizer.vert

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_normal_visualizer.geom

[info   ] ShaderFilesManager: Compiling shader: /usr/local/share/supertuxkart/data/shaders/sp_normal_visualizer.frag

[info   ] GrandPrixManager: Loading Grand Prix files from /usr/local/share/supertuxkart/data/grandprix/

[info   ] GrandPrixManager: Loading Grand Prix files from /home/marakasov/.local/share/supertuxkart/grandprix/

[warn   ] SPMeshBuffer: kartDirt shader is missing, fallback to solid

[warn   ] SPMeshBuffer: kartDirt shader is missing, fallback to solid

[warn   ] SPMeshBuffer: kartDirt shader is missing, fallback to solid

[warn   ] SPMeshBuffer: kartDirt shader is missing, fallback to solid

[warn   ] SPMeshBuffer: kartDirt shader is missing, fallback to solid

[verbose  ] RaceManager: Nb of karts=1, ghost karts:0 ai:0 players:1



[fatal  ] Scripting: Failed to create script engine.

```

[]