All reports of maintainer-shell-script-fails-syntax-check for the archive. The extended description of this tag is:

Running this shell script with the shell's -n option set fails, which means that the script has syntax errors. This will likely make the package uninstallable.

Run e.g. sh -n yourscript to see the errors yourself.

Severity: serious, Certainty: certain

Check: scripts, Type: binary

This tag has not been emitted in any package tested by Lintian.