The “Unable to locate the instrument” error may be displayed when:

1. You need to load all the available instruments of the MT4 platform, or
2.  When you are trading with a Pro account.

How to troubleshoot:

To see all the available instruments on MT4, please follow the below steps:

1. Open the MT4 platform and go to the Market Watch window (Ctrl + M) on your computer device.
2. Right-click on the symbol on the left, then click on ‘Show all’

Note: If you are trading with a Pro Account Type, please ensure you trade Forex pairs that finish with the “.pro” extension.