The explanation for this is that there is a limit on how many results can be returned in a sub-search (right-side of a join). I believe 50k results is the limit. So try to make sure your search is as narrow as possible.
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Hey @splunkb0y, welcome to the Answers community! If one of these solutions answered your question, remember to "√Accept" the answer to award karma points 🙂 You can also upvote posts to give points.
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