Forum

Compiler Bug (Build 4885)? False Error '[' - invalid index value After CopyBuffer Sequence

Environment: MetaTrader 5 Build: 4885 Operating System: Microsoft Windows Server 2025 Datacenter (10.0.26100 Build 26100) (Note: Error also reproduced on a different machine with the same MT5 build) Problem Description: While developing an Expert Advisor that operates based on M1 data, I've