My player slots is not exactly the same

I need some help with player slots.

in my server.cfg i set “sv_maxclients 512” (I HAVE PREMIUM lICENSE KEY)

But in game show me i have 32 player slots. WHYY ??
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Is your Patreon Key set?

yes it is

but my server run in 512 slots, but in search menu show me i have 32