particle

[FateFighter]

How can I correct these errors and which particles are they?

Attemped to precache unknown particle system "contract_score_primary"!
Attemped to precache unknown particle system "contract_score_bonus"!
Attemped to precache unknown particle system "contract_completed_primary"!
Attemped to precache unknown particle system "contract_completed_bonus"!
Attemped to precache unknown particle system "dxhr_lightningball_parent_red"!
Attemped to precache unknown particle system "dxhr_lightningball_parent_blue"!
Attemped to precache unknown particle system "gas_can_blue"!
Attemped to precache unknown particle system "gas_can_red"!

 

[Xbmann]

These are usually printed whenever any custom particle is loaded, they can be ignored if there are no particles visibly missing in your map.