What problem did you experience at the first place? What's your goal when you execute the mentioned command?
vte-2.91.sh was written for bash and zsh. You execute it with sh (dash). Due to -n, the commands are not executed and thus it skips the bash/zsh check and continues. Then it fails on a bash/zsh specific syntax.
This script is not meant to be executed manually, especially not with -n. As such, I see no problem whatsoever.
> I believe that this problem leads to the creation of a file called 'config-err' in my /tmp folder.
What problem did you experience at the first place? What's your goal when you execute the mentioned command?
vte-2.91.sh was written for bash and zsh. You execute it with sh (dash). Due to -n, the commands are not executed and thus it skips the bash/zsh check and continues. Then it fails on a bash/zsh specific syntax.
This script is not meant to be executed manually, especially not with -n. As such, I see no problem whatsoever.
> I believe that this problem leads to the creation of a file called 'config-err' in my /tmp folder.
I find it pretty unlikely.