PS C:\Users\SAMSUNG\Desktop\walterbot-main> node .
C:\Users\SAMSUNG\Desktop\walterbot-main\index.js:59
    if(!message.content.startsWith(prefix)) return;
    ^

ReferenceError: message is not defined
    at Object.<anonymous> (C:\Users\SAMSUNG\Desktop\walterbot-main\index.js:59:5)
    at Module._compile (internal/modules/cjs/loader.js:1063:30
)
    at Object.Module._extensions..js (internal/modules/cjs/loa
der.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)

    at Function.Module._load (internal/modules/cjs/loader.js:7
69:14)
    at Function.executeUserEntryPoint [as runMain] (internal/m
odules/run_main.js:72:12)
    at internal/main/run_main_module.js:17:47