@askibins Are you in "Explore and Visualize" (Visual Analytics) and have a new report open when you try to open the diagnostic tool on the other account? If so, can you confirm which browser and OS you're using? There aren't any differences between the versions of Viya that you would be accessing through your two accounts (just which tenant you're on), so we'll need to troubleshoot why the diagnostics tool isn't opening. Your solution of saving the code to USB is a good one and should work!
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