[blAck.]

L 07/20/2018 - 136:50: [AMXX] Plugin file open error (plugin "rs_swearfilter.amxx")
Host_Error: PF_precache_model_I: Model 'sprites/wall_puff1.spr' failed to precache because the item count is over the 512 limit.
Reduce the number of brush models and/or regular models in the map to correct this.
FATAL ERROR (shutting down): Host_Error: PF_precache_model_I: Model 'sprites/wall_puff1.spr' failed to precache because the item count is over the 512 limit.
Reduce the number of brush models and/or regular models in the map to correct this.

How do I fix that?

[Mordekay]

Reduce the number of brush models and/or regular models in the map to correct this.

In most cases it means to reduce the number of custom models used.