It likely does it because it hasn't received information that it's wanted to, when checking for those names.. It's not so much an 'error' as it is 'how m&m actually functions'
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It can still be annoying at times, without single/dual trans (but that's easy and cheap these days :P). There's no real damage reduction things in the game for the most part, which means you tend to have to pay more attention to…
Aside from the ability to gain actually comparable (to bashing) experience from RPing well with people, (at the discretion of the other players, but it's still not negligible amounts).