If you experience problems when going to make a coin buy/sell order transaction, where the chart display on the coin market that you will choose does not appear. You can follow these steps first:
Please do a clear cache, like the guide on the following link.
Next, please try to restart your device and try again afterwards.
If the problem still persists, make sure you have updated the Indodax application on Playstore or Appstore to the latest version.
Then, if the problem still occurs, we recommend that you uninstall your Indodax application first and reinstall or try again using another device.