Cause for Parameter is incorrect 0x80070057 error in ssis
Possible cause for the cryptic error The package failed to load due to error 0x80070057 "The p arameter is incorrect.". This occurs when CPackage::LoadFrommXML fails. ...when opening or executing and SSIS package In my case i created the ssis package using biml. And accidentally created a duplicate precedence constraint to another task twice. Removing the duplicate constraint and re-generating the package solved it.