Enable DLL imports
The Selene Expert Advisor uses external libraries to perform certain actions and requires us to enable the import of DLL files.
How to enable DLL imports
- 
Open Metatrader 4 and select "Tools" and then "Options" from the menu ( Ctrl + O) 
- 
In the Options dialog, select the "Expert Advisors" tab  By default, the "Allow automated trading" and the "Allow DLL imports" option are disabled. 
- 
Enable the "Allow automated trading" and "Allow DLL imports" option  
- 
Click "OK" to confirm the changes