Expert Strategy Tester failing to work MT5

 

Hello, I can't run Test Strategy on any Expert, error: "optimization max" criterion not started, no Ontester function in....." (any expert) which is not possible.  anybody know why and how to fix this? it use the work and stopped. MT5, 


TY :)

 
Ran Wishko:

Hello, I can't run Test Strategy on any Expert, error: "optimization max" criterion not started, no Ontester function in....." (any expert) which is not possible.  anybody know why and how to fix this? it use the work and stopped. MT5, 


TY :)

Why not possible ?

Reason: