[Typo3] Typo3 Redefining Itself ... So to speak

[Rupert Germann]

Hi Eric,

Miller, Eric A. wrote:
[...] 
> Has anyone else ran into an issue like this where Typo3 decides on its
> own to stop honoring variables ?

only when you have the extension "artificial intelligence" (extkey: ai)
installed.
SCNR  ;-)

seriously: TYPO3 does not change things by itself. 
could it be that the parts of code that cause the problems were cached when
it's worked and build new when when it fails?

greets
rupi