The issue was discussed some times here. For example https://learn.redhat.com/t5/Red-Hat-Instructor-Discussions/Class-files-from-RHCIfoundation-are-corru.... Simple recommendation - download the file using browser. But I have not the issue with latest versions of icrm ( New RHCIfoundation for RHEL 8.x-7.r2021090116 ) at least on environment I used : RHEL8, Fedora34, Fedora35. Please, check the version of icrm you are using and give info about your environment if issue still exist
unfortunatly i am unable to access the mentioned url.
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