He's trying to execute the slash command, rather than just put the text in the editbox.
You need your button to just call the function that is called by the UI on /pull
It looks like this one is starting work on a Classic version: https://www.wowinterface.com/downloads/info24637-MaxDpsRotationHelper.html
You mean like Gatherer or Gathermate?
You will not find any help for private servers here. This is an official fan site and follows the rules.
Is there a reason why you're sending it as a whisper and not just printing it to the chat frame?
Hopefully never. ;)
Considering Bartender hasn't been updated since the last patch, then you'll need to check the box.
Did you check "Load out of date addons" on your addon menu at the character select screen?
I use the very old BLP2PNG. It works for my purposes.
Supported images must be in either .blp or .tga format, have dimensions that are a power of 2, and have 4 channels (r, g, b, and alpha).
/edit: you can also just create your file as a .png and then convert it using a blp to png converter. (there are several out there)
Rename the .toc file so that it matches the folder. It still says "2" for some reason.
Set the target frame as the parent for your panel in kgPanels. If you don't know the name of your target frame, type /fstack and hover your mouse over it.