EA works with current chart, but EA disables while i change the Currency pairs?

 

????

Expert setting i disabled the option

please solve my issue!

 
sheriffonline: please solve my issue!
  1. Changing pairs means, Deinit is called, Init is called, and after the chart is set up, eventually OnTick is. Nothing more.
  2. If your EA disables when you change pairs, your EA is broken. Please fix your broken EA.
Reason: