MT5 · Runtime errors
MT5 5129 · Failed to auto substitute parameters to an SQL request | YI GOLD
ERR_DATABASE_BIND_PARAMETERS
Official meaning
Failed to auto substitute parameters to an SQL request
Possible causes · YI GOLD suggestions
Parameter types, counts or ranges do not match the function signature.
Troubleshooting · YI GOLD suggestions
Compare each argument and reference mode with the official signature. Validate ranges and preserve relevant failure context.