Position & Risk
Size exposure using equity, stop distance and actual specifications.
MT4 / MT5 Error Codes & Trading Tools
Search official trade, runtime and compilation codes and warnings. Calculate risk using actual contract specifications.
Margin & Value
Estimate margin, tick value and price-move value.
Open calculator
Compound & Drawdown
A mathematical scenario, not a forecast of strategy returns.
Open calculator
Calculations run locally in your browser. Inputs are not uploaded or saved. Terminal and broker margin rules apply; estimates exclude slippage, commission and swap.
Official error code lookup
1171 matching records
| Platform / category | Code / constant | Official meaning | Troubleshooting |
|---|---|---|---|
| MT5 · Runtime errors | 4103 ERR_CHART_NOT_FOUND | Chart not found | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4104 ERR_CHART_NO_EXPERT | No Expert Advisor in the chart that could handle the event | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4105 ERR_CHART_CANNOT_OPEN | Chart opening error | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4106 ERR_CHART_CANNOT_CHANGE | Failed to change chart symbol and period | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4107 ERR_CHART_WRONG_PARAMETER | Error value of the parameter for the function of working with charts | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4108 ERR_CHART_CANNOT_CREATE_TIMER | Failed to create timer | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4109 ERR_CHART_WRONG_PROPERTY | Wrong chart property ID | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4110 ERR_CHART_SCREENSHOT_FAILED | Error creating screenshots | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4111 ERR_CHART_NAVIGATE_FAILED | Error navigating through chart | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4112 ERR_CHART_TEMPLATE_FAILED | Error applying template | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4113 ERR_CHART_WINDOW_NOT_FOUND | Subwindow containing the indicator was not found | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4114 ERR_CHART_INDICATOR_CANNOT_ADD | Error adding an indicator to chart | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4115 ERR_CHART_INDICATOR_CANNOT_DEL | Error deleting an indicator from the chart | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4116 ERR_CHART_INDICATOR_NOT_FOUND | Indicator not found on the specified chart | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4201 ERR_OBJECT_ERROR | Error working with a graphical object | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Runtime errors | 4202 ERR_OBJECT_NOT_FOUND | Graphical object was not found | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Runtime errors | 4203 ERR_OBJECT_WRONG_PROPERTY | Wrong ID of a graphical object property | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Runtime errors | 4204 ERR_OBJECT_GETDATE_FAILED | Unable to get date corresponding to the value | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Runtime errors | 4205 ERR_OBJECT_GETVALUE_FAILED | Unable to get value corresponding to the date | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Runtime errors | 4301 ERR_MARKET_UNKNOWN_SYMBOL | Unknown symbol | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4302 ERR_MARKET_NOT_SELECTED | Symbol is not selected in MarketWatch | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4303 ERR_MARKET_WRONG_PROPERTY | Wrong identifier of a symbol property | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4304 ERR_MARKET_LASTTIME_UNKNOWN | Time of the last tick is not known (no ticks) | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4305 ERR_MARKET_SELECT_ERROR | Error adding or deleting a symbol in MarketWatch | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4306 ERR_MARKET_SELECT_LIMIT | Exceeded the limit of selected symbols in MarketWatch | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4307 ERR_MARKET_SESSION_INDEX | Wrong session ID when calling the SymbolInfoSessionQuote/SymbolInfoSessionTrade function | YI GOLD suggestionsCheck length, bounds, dynamic-array declarations and ArraySetAsSeries. Validate returned element counts before access. MetaQuotes |
| MT5 · Runtime errors | 4401 ERR_HISTORY_NOT_FOUND | Requested history not found | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4402 ERR_HISTORY_WRONG_PROPERTY | Wrong ID of the history property | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4403 ERR_HISTORY_TIMEOUT | Exceeded history request timeout | YI GOLD suggestionsInspect connectivity, logs and request time. Verify actual order status before bounded retries with backoff to avoid duplicate exposure after a timeout. MetaQuotes |
| MT5 · Runtime errors | 4404 ERR_HISTORY_BARS_LIMIT | Number of requested bars limited by terminal settings | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4405 ERR_HISTORY_LOAD_ERRORS | Multiple errors when loading history | YI GOLD suggestionsVerify symbol, timeframe, indicator handle, BarsCalculated and copied element counts. Wait for data availability rather than filling missing prices with zeros. MetaQuotes |
| MT5 · Runtime errors | 4407 ERR_HISTORY_SMALL_BUFFER | Receiving array is too small to store all requested data | YI GOLD suggestionsCheck length, bounds, dynamic-array declarations and ArraySetAsSeries. Validate returned element counts before access. MetaQuotes |
| MT5 · Runtime errors | 4501 ERR_GLOBALVARIABLE_NOT_FOUND | Global variable of the client terminal is not found | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4502 ERR_GLOBALVARIABLE_EXISTS | Global variable of the client terminal with the same name already exists | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4503 ERR_GLOBALVARIABLE_NOT_MODIFIED | Global variables were not modified | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4504 ERR_GLOBALVARIABLE_CANNOTREAD | Cannot read file with global variable values | YI GOLD suggestionsCheck permitted terminal sandbox paths, names, access flags, formats and handles. Record open failures without granting permissive directory access. MetaQuotes |
| MT5 · Runtime errors | 4505 ERR_GLOBALVARIABLE_CANNOTWRITE | Cannot write file with global variable values | YI GOLD suggestionsCheck permitted terminal sandbox paths, names, access flags, formats and handles. Record open failures without granting permissive directory access. MetaQuotes |
| MT5 · Runtime errors | 4510 ERR_MAIL_SEND_FAILED | Email sending failed | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4511 ERR_PLAY_SOUND_FAILED | Sound playing failed | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
| MT5 · Runtime errors | 4512 ERR_MQL5_WRONG_PROPERTY | Wrong identifier of the program property | YI GOLD suggestionsInspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description. MetaQuotes |
Official meanings and YI GOLD suggestions are presented separately. References are verified during version builds; page visits do not fetch external sites.