While creating a management pack, you may encounter a message like this:
“The requested management pack was invalid. See inner exception for details. Parameter name: managementPack”.
Frankly, unless you know where to look for that inner exception, such a message can totally freeze you. There are no additional links or suggestions in the error message that might explain what you should do in this situation:
So, don’t panic. Just open up windows event viewer and check “Operations Manager” event log. Most likely, you will see your exception message in the log file, and, even though it is not too friendly either, there should be enough details to make a guess: