It's not centralized to a single employee. It's institutional knowledge that you don't know. All the coders know how to write code. You don't understand the pro

It's not centralized to a single employee. It's institutional knowledge that you don't know. All the coders know how to write code. You don't understand the processes that happen in a lumber mill. Now because lumber coder left, you're maintaining code for a lumber mill. You need to learn that stuff, but you've been working in the concrete division of the company. Get it?