https://userapps.support.sap.com/sap/support/knowledge/en/2403591
2403591 - ADO.Net: Errors when installing metadata - SDK for SAP ASE | SAP Knowledge Base Article
running the install_adonet_sprocs to ASE 16. in the install_oledb_160000.log in the C:\Users\username\AppData\Local\Temp Must declare variable '@data_type' ....