Invalid base58 string Error

[MohammadDaneshvar]

I uncomment this line. args = new string[] { "send", "btc=all", "address=mzz63n3n89KVeHQXRqJEVsQX8MZj5zeqCw", "wallet-file=test4.json" };

but error Invalid base58 string. I try to use other valid publickey but i give error " Invalid base58 string." please help me

[nopara73]

Why did you uncomment that line? test4.json wallet file was only present in my old dev environment, even I don't have it now.