✓ Accepted Answer
The way this question is framed suggests you might be hitting the same wall most people hit with self.
Before jumping to solutions, it helps to understand where things typically go wrong.
**Most likely culprit:** ignoring early warning signs. This accounts for roughly 60% of cases I have seen.
**Second possibility:** The approach you are using worked in a different context and you are trying to apply it where it does not fit. check has specific conditions where it works well and conditions where it falls apart.
**Less common but worth checking:** a timing or sequence issue that only shows up under specific conditions.
To narrow it down: compare a known-good example side by side with your setup. That will tell you which of these you are dealing with.
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