compiling sequence trouble shooting of existing program with multiple sensors

Dontheone:
warning about AmazonDRS at the bottom of this when compiling

WARNING: Category '*' in library AmazonDRS is not valid. Setting to 'Uncategorized'
Detecting libraries used...

in this last warning is AmazonDRS do you know what it is or where it is located and how to get rid of it?

Located in "library.properties". Get rid of it by changing "*" to "Uncategorized".