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 · Compilation errors | 358 | A pointer to the constant object cannot be normalized by a non-constant object | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Compilation errors | 359 | Class templates are not supported yet | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 360 | Function template overload is not supported yet | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 361 | Function template cannot be applied | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 362 | Ambiguous parameter in function template (several parameter types can be applied) | YI GOLD suggestionsCompare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context. MetaQuotes |
| MT5 · Compilation errors | 363 | Unable to determine the parameter type, by which the function template argument should be normalized | YI GOLD suggestionsCompare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context. MetaQuotes |
| MT5 · Compilation errors | 364 | Incorrect number of parameters in the function template | YI GOLD suggestionsCompare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context. MetaQuotes |
| MT5 · Compilation errors | 365 | Function template cannot be virtual | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 366 | Function templates cannot be exported | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 367 | Function templates cannot be imported | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 368 | Structures containing the objects are not allowed | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Compilation errors | 369 | String arrays and structures containing the objects are not allowed | YI GOLD suggestionsCheck length, bounds, dynamic-array declarations and ArraySetAsSeries. Validate returned element counts before access. MetaQuotes |
| MT5 · Compilation errors | 370 | A static class/structure member must be explicitly initialized | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 371 | Compiler limitation: the string cannot contain more than 65 535 characters | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 372 | Inconsistent #ifdef/#endif | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 373 | Object of class cannot be returned, copy constructor not found | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Compilation errors | 374 | Non-static members and methods cannot be used | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 375 | OnTesterInit() impossible to use without OnTesterDeinit() | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 376 | Redefinition of formal parameter '%s' | YI GOLD suggestionsCompare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context. MetaQuotes |
| MT5 · Compilation errors | 377 | Macro __FUNCSIG__ and __FUNCTION__ cannot appear outside of a function body | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 378 | Invalid returned type. For example, this error will be produced for functions imported from DLL that return structure or pointer. | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 379 | Template usage error | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 380 | Not used | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 381 | Illegal syntax when declaring pure virtual function, only "=NULL" or "=0" are allowed | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 382 | Only virtual functions can be declared with the pure-specifier ("=NULL" or "=0") | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 383 | Abstract class cannot be instantiated | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 384 | A pointer to a user-defined type should be applied as a target type for dynamic casting using the dynamic_cast operator | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 385 | "Pointer to function" type is expected | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 386 | Pointers to methods are not supported | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 387 | Error – cannot define the type of a pointer to function | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 388 | Type cast is not available due to private inheritance | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 389 | A variable with const modifier should be initialized during declaration | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 393 | Only methods with public access can be declared in an interface | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 394 | Invalid nesting of an interface inside of another interface | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 395 | An interface can only be derived from another interface | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 396 | An interface is expected | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 397 | Interfaces only support public inheritance | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 398 | An interface cannot contain members | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
| MT5 · Compilation errors | 399 | Interface objects cannot be created directly, only use inheritance | YI GOLD suggestionsVerify chart ID, object existence and property types. Check creation/update results and avoid name collisions. MetaQuotes |
| MT5 · Compilation errors | 400 | A specifier cannot be used in a forward declaration | YI GOLD suggestionsLocate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile. MetaQuotes |
Official meanings and YI GOLD suggestions are presented separately. References are verified during version builds; page visits do not fetch external sites.