Make error : /bin/sh: line 1: warning: command substitution: ignored null byte in input

Error building from make :

make
mkdir -p 3rdparty/onlyoffice
docker create --name oo-extract onlyoffice/documentserver:5.6.5.3
Unable to find image 'onlyoffice/documentserver:5.6.5.3' locally
5.6.5.3: Pulling from onlyoffice/documentserver
23884877105a: Pull complete 
bc38caa0f5b9: Pull complete 
2910811b6c42: Pull complete 
36505266dcc6: Pull complete 
73f11410c785: Pull complete 
0b794493f513: Pull complete 
6b7649cc114e: Pull complete 
5b4ac218a686: Pull complete 
Digest: sha256:39a5de21e24feeabb0cba00534f24c39a029842884c8dc13f024ed124255d9a4
Status: Downloaded newer image for onlyoffice/documentserver:5.6.5.3
5670ab838b32c6e6a2ba7fb9736e41fc92bfd5f4a6a7ce955cb5e5b1516ae8b1
docker cp oo-extract:/var/www/onlyoffice/documentserver 3rdparty/onlyoffice
docker rm oo-extract
oo-extract
rm -r 3rdparty/onlyoffice/documentserver/server/{SpellChecker,Common,DocService}
cd 3rdparty/onlyoffice/documentserver/server/FileConverter/bin && \
    ../../tools/allfontsgen \
    --input="../../../core-fonts" \
    --allfonts-web="../../../sdkjs/common/AllFonts.js" \
    --allfonts="AllFonts.js" \
    --images="../../../sdkjs/common/Images" \
    --output-web="../../../fonts" \
    --selection="font_selection.bin"
sed -i 's/if(yb===d\[a\].ka)/if(d[a]\&\&yb===d[a].ka)/' 3rdparty/onlyoffice/documentserver/sdkjs/*/sdk-all.js
VERSION=$(grep -ozP "DocsAPI\.DocEditor\.version\s*=\s*function\(\) *\{\n\s+return\s\'\K(\d+.\d+.\d+)" 3rdparty/onlyoffice/documentserver/web-apps/apps/api/documents/api.js) ;\
    sed -i "s/return '[0-9.]*'/return '$VERSION'/" lib/OnlyOffice/WebVersion.php
/bin/sh: line 1: warning: command substitution: ignored null byte in input

nextcloud / documentserver_community

Make error : /bin/sh: line 1: warning: command substitution: ignored null byte in input #197