The thing is, this seems to be happening without any of my template code even being processed. The error happens seemingly very early in script execution.
I'm also not using the following anywhere, that I can tell:
Also, in my testing I've changed the entire contents of my pagelayout.tpl template to "hello world," and I still get this error when template compile is on. Doesn't this rule out the problem being with any of my created templates?
is present nowhere in my design directory. Also, clearing my cache manually as you suggest does not help.
I think what I am seeing is related to, but not the same as, the problem other people have experienced. Any thoughts as to how this error could be occurring given all of this?