backtesting error how can i solve this problem.

 

how can i solve this problem.

When backtesting an expert I received this error message in the log

C:\Users\MARG\AppData\Roaming\MetaQuotes\Terminal\BB16F565FAAA6B23A20C26C49416FF05\MQL5\Indicators\Indicators\Examples\CustomMACD.ex5 open error [3]


 
Josama Doland: how can i solve this problem.
  1. Open the «DataFolder» and verify the file is actually there.
  2. Fix your broken iCustom call.