"Numeric ids are not supported anymore" What do I need to replace them with?

[WildX]

When trying to reload my skript it say that numeric ids are not support and I don't know what i have to replace them with 

This is the line I'm am reviving the error message for:

"player has 1 or more coal:"

and i have linked the full script ( its old and I'm working on it )

Shop Script.sk

[Lapzzo]

Try:

 

if amount of coal in player's inventory is more then 1:

[WildX]

[Lapzzo]

Im not sure then.. Sorry 

[WildX]

Just now, Lapzzo said:

Im not sure then.. Sorry 

wait dont worry fixed it it needed to be than not then 

thanks alot

[Lapzzo]

2 minutes ago, WildX said:

wait dont worry fixed it it needed to be than not then 

thanks alot

Np, I was gonna do that, but then I thought grammar didnt matter in skript lol