A Molang error is displayed when a specific particle is emitted with the command "/particle".

Steps to Reproduce
Enter the following command:

/particle minecraft:electric_spark_particle

Expected Results
No Molang errors.

Observation Results
Molang error displayed.

Note
So far the particles I've seen that display Molang errors are:

• splash_spell_emitter
• dragon_breath_lingering
• sculk_sensor_redstone_particle
• ink
• sculk_charge_particle
• sculk_soul_particle