When I’m installing VRUI this message error appears:

simbat@simbat-H270M-Gaming3 ~ $ cd ~
simbat@simbat-H270M-Gaming3 ~ $ wget http://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Build-Ubuntu.sh
–2022-06-06 09:37:39– http://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Build-Ubuntu.sh
Resolving web.cs.ucdavis.edu (web.cs.ucdavis.edu)… 169.237.212.78
Connecting to web.cs.ucdavis.edu (web.cs.ucdavis.edu)|169.237.212.78|:80… connected.
HTTP request sent, awaiting response… 302 Found
Location: https://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Build-Ubuntu.sh [following]
–2022-06-06 09:37:41– https://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Build-Ubuntu.sh
Connecting to web.cs.ucdavis.edu (web.cs.ucdavis.edu)|169.237.212.78|:443… connected.
HTTP request sent, awaiting response… 200 OK
Length: 4604 (4,5K) [text/x-sh]
Saving to: ‘Build-Ubuntu.sh’

Build-Ubuntu.sh 100%[===================>] 4,50K –.-KB/s in 0s

2022-06-06 09:37:42 (330 MB/s) – ‘Build-Ubuntu.sh’ saved [4604/4604]

simbat@simbat-H270M-Gaming3 ~ $ bash Build-Ubuntu.sh
Please enter your password to install Vrui’s prerequisite packages
[sudo] password for simbat:
Lendo listas de pacotes… Pronto
Construindo árvore de dependências
Lendo informação de estado… Pronto
Note, a seleccionar ‘libpng12-dev’ em vez de ‘libpng-dev’
Note, a seleccionar ‘libtiff5-dev’ em vez de ‘libtiff-dev’
build-essential is already the newest version (12.1ubuntu2).
g++ is already the newest version (4:5.3.1-1ubuntu1).
libasound2-dev is already the newest version (1.1.0-0ubuntu1).
libglu1-mesa-dev is already the newest version (9.0.0-2.1).
libjpeg-dev is already the newest version (8c-2ubuntu8).
libspeex-dev is already the newest version (1.2~rc1.2-1ubuntu1).
libtheora-dev is already the newest version (1.1.1+dfsg.1-8).
libusb-1.0-0-dev is already the newest version (2:1.0.20-1).
libv4l-dev is already the newest version (1.10.0-1).
libxi-dev is already the newest version (2:1.7.6-1).
libxrandr-dev is already the newest version (2:1.5.0-1).
libdc1394-22-dev is already the newest version (2.2.4-1).
libopenal-dev is already the newest version (1:1.16.0-3).
libbluetooth-dev is already the newest version (5.37-0ubuntu5.3).
libdbus-1-dev is already the newest version (1.10.6-1ubuntu3.6).
libfreetype6-dev is already the newest version (2.6.1-0.1ubuntu2.5).
libgl1-mesa-dev is already the newest version (18.0.5-0ubuntu0~16.04.1).
libpng12-dev is already the newest version (1.2.54-1ubuntu1.1).
libssl-dev is already the newest version (1.0.2g-1ubuntu4.20).
libtiff5-dev is already the newest version (4.0.6-1ubuntu0.8).
libudev-dev is already the newest version (229-4ubuntu21.31).
mesa-common-dev is already the newest version (18.0.5-0ubuntu0~16.04.1).
zlib1g-dev is already the newest version (1:1.2.8.dfsg-2ubuntu4.3).
0 pacotes atualizados, 0 pacotes novos instalados, 0 a serem removidos e 573 não atualizados.
Creating source code directory /home/simbat/src
Downloading Vrui-8.0-002 into /home/simbat/src
–2022-06-06 09:38:16– http://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Vrui-8.0-002.tar.gz
Resolving web.cs.ucdavis.edu (web.cs.ucdavis.edu)… 169.237.212.78
Connecting to web.cs.ucdavis.edu (web.cs.ucdavis.edu)|169.237.212.78|:80… connected.
HTTP request sent, awaiting response… 302 Found
Location: https://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Vrui-8.0-002.tar.gz [following]
–2022-06-06 09:38:17– https://web.cs.ucdavis.edu/~okreylos/ResDev/Vrui/Vrui-8.0-002.tar.gz
Connecting to web.cs.ucdavis.edu (web.cs.ucdavis.edu)|169.237.212.78|:443… connected.
HTTP request sent, awaiting response… 200 OK
Length: 3714440 (3,5M) [application/x-gzip]
Saving to: ‘STDOUT’

• 100%[===================>] 3,54M 703KB/s in 8,8s

2022-06-06 09:38:27 (413 KB/s) – written to stdout [3714440/3714440]

Building Vrui on 4 CPUs
Building build utilities…
—- Vrui configuration options: —-
Run-time library search paths enabled
Realtime library uses POSIX clocks
Realtime library uses POSIX timers
Threads library has built-in thread-local storage
Threads library uses built-in atomics
Threads library uses POSIX spinlocks
Local pthread implements pthread_cancel
Libusb library version 1.0 exists on host system
Libusb library supports bus topology queries
Libusb library has libusb_strerror function
TLS-secured TCP connections enabled
Multithreaded rendering disabled
Default GL font directory: /usr/local/share/Vrui-8.0/GLFonts
PNG image file format enabled
JPG image file format enabled
TIFF image file format enabled
ALSA sound device support enabled
SPEEX speech compression support enabled
Video4Linux2 video device support enabled
FireWire DC1394 video device support enabled
Theora video codec support enabled
Spatial sound using OpenAL enabled
FreeType library exists on system
Core TrueType font directory: /usr/share/fonts/truetype/freefont/
Fancy font rendering in simple scene graph renderer enabled
Swapgroup support for Vrui windows disabled
Support for screen saver inhibition via DBus enabled
Vrui will save screenshots in PNG format
Support for spatial audio enabled
Support to save screen captures in Ogg/Theora format enabled
Support for multitouch screens enabled
Support for named video outputs enabled
LatencyTester vislet for Oculus DK1 latency tester enabled
Using global per-user configuration file .config/Vrui-8.0/Vrui.cfg
Event device support for joysticks disabled
Bluetooth support (for Nintendo Wii controller) enabled
USB support (for Razer Hydra and Oculus Rift tracker) enabled
OpenVR SDK and SteamVR run-time exist on host system; support for HTC Vive enabled
SteamVR run-time root directory: /home/simbat/.local/share/Steam/steamapps/common/SteamVR
SteamVR run-time library directories: /home/simbat/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu /home/simbat/.local/share/Steam/ubuntu12_32/steam-runtime/usr/lib/x86_64-linux-gnu
SteamVR Lighthouse driver directory: /home/simbat/.local/share/Steam/steamapps/common/SteamVR/drivers/lighthouse/bin/linux64
—- Vrui installation configuration —-
Root installation directory : /usr/local
Header installation root directory : /usr/local/include/Vrui-8.0
Library installation root directory : /usr/local/lib/x86_64-linux-gnu/Vrui-8.0
Executable installation directory : /usr/local/bin
Plug-in installation root directory : /usr/local/lib/x86_64-linux-gnu/Vrui-8.0
Configuration file installation directory : /usr/local/etc/Vrui-8.0
Shared file installation root directory : /usr/local/share/Vrui-8.0
Makefile fragment installation directory : /usr/local/share/Vrui-8.0
Build system installation directory : /usr/local/share/Vrui-8.0/make
pkg-config metafile installation directory: /usr/local/lib/x86_64-linux-gnu/pkgconfig
Documentation installation directory : /usr/local/share/doc/Vrui-8.0
—- End of Vrui configuration options —-
Creating application makefile fragment…
Creating configuration makefile fragment…
Creating pkg-config meta data file…
Configuring template makefile…
Configuring makefile in ExamplePrograms…
Configuring makefile in ExamplePrograms/MeshEditor…
Configuring makefile in ExamplePrograms/VRMLViewer…
Compiling Misc/FileTests.cpp…
Compiling Misc/ColorValueCoders.cpp…
Compiling Misc/ReadBuffer.cpp…
Compiling Misc/FileNameExtensions.cpp…
Compiling Misc/CreateNumberedFileName.cpp…
Compiling Misc/CallbackList.cpp…
Compiling Misc/FdSet.cpp…
Compiling Misc/Directory.cpp…
Compiling Misc/ConfigurationFile.cpp…
Compiling Misc/ThrowStdErr.cpp…
Compiling Misc/RGBA.cpp…
Misc/ConfigurationFile.cpp: In member function ‘void Misc::{anonymous}::FileParser::strip(std::__cxx11::string&)’:
Misc/ConfigurationFile.cpp:819:41: error: ‘std::__cxx11::string {aka class std::__cxx11::basic_string<char>}’ has no member named ‘back’
while(!string.empty()&&(cc[int(string.back())]&Whitespace)!=0)
^
Misc/ConfigurationFile.cpp:820:11: error: ‘std::__cxx11::string {aka class std::__cxx11::basic_string<char>}’ has no member named ‘pop_back’
string.pop_back();
^
Compiling Misc/PrintfTemplateTests.cpp…
/home/simbat/src/Vrui-8.0-002/BuildRoot/BasicMakefile:224: recipe for target ‘o/g++-3.g0.O3/pic/Misc/ConfigurationFile.o’ failed
make: *** [o/g++-3.g0.O3/pic/Misc/ConfigurationFile.o] Error 1
make: *** Waiting for unfinished jobs….
Build unsuccessful; please fix any reported errors and try again

What I have to do to repair this error and continue the installation?