ERROR 4109
- error code 4109
- Ordermodify gives error 4109 trading not allowed when using VPS
- 10 trade per day
ERR_CHART_WRONG_PROPERTY
4109
Wrong chart property ID
Why don't you read the documentation before posting?
Runtime Errors - https://www.mql5.com/en/docs/constants/errorswarnings/errorcodes
- www.mql5.com
By the way, I am assuming you are talking about MQL5 and not MQL4 because you posted in the General section, but in the off chance you are talking about MQL4, then:
4109
ERR_TRADE_NOT_ALLOWED
Trade is not allowed. Enable checkbox "Allow live trading" in the Expert Advisor properties
- docs.mql4.com