php - 404 on request when session_id parameter is set

I've a weird problem here.

When I pass some parameters to my server like this, everything its going fine.

http://test.com/check.php?token=123456&name=abcde
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But when I add a parameter called session_id I get a 404

http://test.com/check.php?token=123456&name=abcde&session_id=0
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Even if the parameter starts with session_id like I get 404 too

http://test.com/check.php?token=123456&name=abcde&session_idorsomething=0
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The test code on check.php is as simple as this:

<?php var_dump($_GET);
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I'm on Apache with PHP 7.2

Any ideas?

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