MT5 · Runtime errors
MT5 5303 · The path of the custom symbol is too long. The path length should not exceed 128 characters including "Custom\\", the symbol name, group separators and the ending 0 | YI GOLD
ERR_CUSTOM_SYMBOL_PATH_LONG
Official meaning
The path of the custom symbol is too long. The path length should not exceed 128 characters including "Custom\\", the symbol name, group separators and the ending 0
Possible causes · YI GOLD suggestions
Determine the cause from the official meaning, the triggering function and terminal logs.
Troubleshooting · YI GOLD suggestions
Inspect terminal logs and the failing function return value. Check inputs, array bounds, resources, connectivity and required permissions against the official description.