I'm not really sure why this is occuring, but I'm pretty sure this isn't supposed to happen in abuse filter logs to this level.
Topic on Help talk:CirrusSearch
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I’m pretty sure plwikiquote shouldn’t block the account from being created (filter 3). I don’t think CirrusSearch is really at fault here – it just tries to create its account on first use. (Since it doesn’t succeed, the next time also counts as the first use. And the next one. And so on.)
Thanks, I didn't know why it was occurring or what abuse filter it was relating to as I can't understand the language.
Thanks, I reported phab:T373778 to have a closer look into it.