Script incompatibility

[bunnies]

I am trying to use Grid Inventory by modern algebra with Item & Skills Catalouge by modern algebra. The two seem to be incompatible. I get an error saying: 'Script Items & Skills Catalouge' line 338:NoMethodError occured. undefined method `include?' for nil:NilClass

What does this mean and how can I fix it?

[modern algebra]

Try putting the Item & Skills Catalogue below the Grid Inventory in the Script Editor. Also, make sure you have Catalogue_Base

[bunnies]

Try putting the Item & Skills Catalogue below the Grid Inventory in the Script Editor. Also, make sure you have Catalogue_Base

I have catalouge_base, and tried what you said, and the same thing is happening. Also if i get an item and go to inventory, it gives me:

Script 'Grid Inventory System' line 1848: RGSSError occured

disposed bitmap

Any idea what is going on?