.config-$V_PKG gets wrong Systems output

Got

cat /opt/psi/Programming/modulefiles/nvhpc/.config-24.3

relstage: unstable
Systems: [merlin-* 
ra-]

as output, which got me the error:

germann_e@merlin-l-001:~/.../Programming/nvhpc$ ./build 24.3 --update-modulefiles
/opt/psi/Tools/Pmodules/1.1.17/bin/modbuild ./build 24.3 --update-modulefiles
Using YAML configuration file - /psi/home/germann_e/buildblocks/Programming/nvhpc/files/config.yaml
nvhpc/24.3: building ... 
nvhpc/24.3: 
nvhpc/24.3: already exists, not rebuilding ... 
nvhpc/24.3: adding modulefile to overlay 'base' ... 
/afs/psi.ch/sys/psi.merlin/Tools/Pmodules/1.1.17/bin/../lib/libpbuild.bash: line 1520: local: `ra-': invalid variable name for name reference
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