Use latest pre-released version from poggit
I'd recommend soyoustart.com
For Player->addEffect() you have to use EffectInstance instead of Effect
Next version of BuilderTools will be able to fix whole java edition world with speed of 18,93 chunks/second (on one asnc thread)
:facepalm: use altay's forums then ...if they even have any
Lmao that's work for more than one month
Armor stands are not implemented yet. You can find it's network id here. If there is no property named NETWORK_ID then you have implemented armor...
For network id you can use $entity::NETWORK_ID, but using check $entity instanceof ... is better as network ids are kinda deprecated
$entity->getId() doesn't return entity count on the server. It returns unique id for the entity in int. That id is got by increasing one int...
This is so unefficient way. Setting packet limit to some big int is all you need to fix it.
Set the limit to PHP_INT_MAX constant
As you have discovered, it is caused by using por-quality plugins. Look at poggit and try finding plugins equal to those you use right now.
Check line 5
Separate names with a comma.