I keep getting the Error invalid stop loss attached is the full version of this code kindly assist what i should change and lines thank you

 
I keep getting the ERROR MESSAGE INVALID STOPS which lines should i change thank you 
Files:
trader.mq5  113 kb
 

Use the debugger or print out your variables, including _LastError and prices and find out why. Do you really expect us to debug your twelve hundred (1200) line code for you?
          Code debugging - Developing programs - MetaEditor Help
          Error Handling and Logging in MQL5 - MQL5 Articles (2015)
          Tracing, Debugging and Structural Analysis of Source Code - MQL5 Articles (2011)
          Introduction to MQL5: How to write simple Expert Advisor and Custom Indicator - MQL5 Articles (2010)