I had an AI generate a PowerShell script, but it's got some formatting issues that I can't seem to fix, especially since I'm dealing with a summer cold that's making it hard to concentrate. The script is running in VSCode using PowerShell (Posh). I'm getting an error: "Cannot bind argument to parameter 'ReferenceObject' because it is null". This seems to be happening in the section where I'm trying to compare data across Domain Controllers (DCs), specifically in the "# Compare the data for each counter across DCs" part. The variable $Group.group has data, so I suspect the issue lies within the "Where-Object" section. Any insights on how to resolve this would be greatly appreciated!
3 Answers
You might want to ask the AI that generated your script to correct it for you. If it made the context-aware mistakes, it should also be able to analyze and fix those formatting problems.
Here’s a tweak to try - instead of using the 'Where-Object', try defining which records correspond to DC1 directly in the group-object command. This might simplify how you're pulling data and could fix the null issue you're seeing.
If the AI messed it up, then it might just be able to fix it too. But have you tried checking the output right before the problematic line? You could also output `$Group` to see if it has a `$Group.group` property set up properly before the error occurs.
I can output both $Group and $Group.group, so it appears they're collecting correctly! The comparison step is where it seems to break down.
Just a heads-up, I noticed that your comparison line has a colon in the output string. PowerShell can get cranky about colons, so that might be the culprit here! It feels like the AI sometimes throws in little things that trip up the script. And yeah, it’s a bit discouraging how some folks just throw 'ask AI' responses instead of real help.