Home

francobritannique / Publications

Forum

7

MT5: “tester agent authorization error” in build 4085

One of my MQL5 terminal instances (vanilla terminal downloaded from here) is suddenly refusing to run back tests (with above error) after updating to beta release 4085. It has always worked fine in the past. Other instances are working OK with the same build number and same PC (broker versions). Any

5

Very different behaviour when compiler is set to Maximum Optimisation vs No Optimisation (MQL5 build 4040)

I am building an EA and am experiencing some very odd behaviour in the MQL5 compiler, debugger and strategy tester . When I run my code in the debugger, or compile with No Optimisation, it works correctly and as expected. However, when I compile with optimisation enabled it runs very strangely and