The compiler message means that you have used a symbol (variable/method/class etc) and the compiler has no clue what it refers to.
The first thing to check is typos: reader must be spelt the same...
Type: Posts; User: pbrockway2
The compiler message means that you have used a symbol (variable/method/class etc) and the compiler has no clue what it refers to.
The first thing to check is typos: reader must be spelt the same...