hello i need help please error on selfdestruct(admin);

[hannibaljohn]

 Error: Attempting to run transaction which calls a contract function, but recipient address 0x50ff3bf83d309adad1bf04cc584d27dfd94d2917 is not a contract address
  at Object.InvalidResponse (/usr/local/lib/node_modules/truffle/build/webpack:/~/web3/lib/web3/errors.js:38:1)
  at /usr/local/lib/node_modules/truffle/build/webpack:/~/web3/lib/web3/requestmanager.js:86:1
  at /usr/local/lib/node_modules/truffle/build/webpack:/packages/truffle-provider/wrapper.js:134:1
  at XMLHttpRequest.request.onreadystatechange (/usr/local/lib/node_modules/truffle/build/webpack:/~/web3/lib/web3/httpprovider.js:128:1)
  at XMLHttpRequestEventTarget.dispatchEvent (/usr/local/lib/node_modules/truffle/build/webpack:/~/xhr2/lib/xhr2.js:64:1)
  at XMLHttpRequest._setReadyState (/usr/local/lib/node_modules/truffle/build/webpack:/~/xhr2/lib/xhr2.js:354:1)
  at XMLHttpRequest._onHttpResponseEnd (/usr/local/lib/node_modules/truffle/build/webpack:/~/xhr2/lib/xhr2.js:509:1)
  at IncomingMessage.<anonymous> (/usr/local/lib/node_modules/truffle/build/webpack:/~/xhr2/lib/xhr2.js:469:1)
  at endReadableNT (_stream_readable.js:1094:12)
  at process._tickCallback (internal/process/next_tick.js:63:19)

[mindfu]

I am also running into this issue.

[hannibaljohn]

hello mindfu i already figure out now, the answer is in the dappTokenSale.sol try to open and you'll see the answer at the end :)

[mindfu]

try to open the file on github?

[hannibaljohn]

yes :)

[mindfu]

Ok cool. How was this fixed?