Sorry @Brianna0824. I can imagine how disappointed you are. But like @Mr_Mojo_Risin said it is Navy's convoluted way of saying, "not right now". Here's a thread with a similar denial and responses:
https://ficoforums.myfico.com/t5/Credit-Card-Applications/Navy-Federal-Maximum-Unsecured-Limit-reach...
FICO 8:
EQ FICO 9 - 770
EX FICO 9 - 758
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