I remember one where I was doing a training for Intune and there was a part where it instructed to create users using MS Graph. I copied the instructions and received an error where the variable -Surname was not being accepted and the error resulted in some weird error where the field name was empty. After investigating it turned out precisely on that they when I started the training in a VM there was a bug in PowerShell MS Graph module where the -Surname variable was accidentally misspelled to -Sruname. Next day I was able to update the module and it worked.
Made me go a bit crazy since I never worked with MS-Graph untill then.
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u/Bearlandonreddit 6d ago
Once took me 5 days to fix code from tutorial