EF + ODP.NET + CLOB = Value Cannot be Null - Parameter name: byteArray?

Question

Our project recently updated to the newer Oracle.ManagedDataAccess DLL\'s (v 4.121.2.0) and this error has been cropping up intermittently. We\'ve fixed it a few times with

Answer 1

For me it was simple! I had this error with odac v 4.121.1.0. I have just updated Oracle.ManagedDataAccess to 4.121.2.0 with Nuget and now it is working.

Have you have tried to uninstall and reinstall Oracle.ManagedDataAccess with Nugget?