MT5 · Compilation errors
MT5 158 · "non HEX character" found in HEX or too long number (number of digits> 511) | YI GOLD
Official meaning
"non HEX character" found in HEX or too long number (number of digits> 511)
Possible causes · YI GOLD suggestions
Determine the cause from the official meaning, the triggering function and terminal logs.
Troubleshooting · YI GOLD suggestions
Locate the first reported line in MetaEditor. Check syntax, types, function signatures, includes and file permissions, then recompile.