Thank Eddy Vluggen for letting me know your idea. Yeah, it was up to you. Let consider the situation, @Eddy Vluggen has a problem with his code and the code seems works fine. The problem was still there, I intend to ask him and may run the code to see any potential cause raises this problem, and may help him to fix. of course, I can write another comment about the root cause if I can found. And I was not allowed and may be reported as spammer just because someone did not see what I see: The code looks ok but not work. @Eddy Vluggen: Do you think this is the interesting point. Again, thank for let me know your idea and you can do what ever you think is right.
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