Hi @Amit_Kumar,
Here there was the same problem reported, and problem was in quotes. Try to run your command somehow differently, e.g. ./xccov-to-sonarqube-generic.sh Build/Logs/Test/*.xcresult/ > sonarqube-generic-coverage.xml, try to add quotes around parameters.
You can also run commands inside xccov-to-sonarqube-generic.sh manually to understand which step makes it fail