The provider is not compatible with the version of Oracle client
I only installed the Oracle Data Provider for .NET 2.0 (11.1.0.6.20) and I did not install the Oracle Instant Client (11.1.0.6.0).
I just installed it and the error disappeared!
Oracle Client: The provider is not compatible with the version of Oracle client
Oracle.DataAccess.dll uses a number of unmanaged dlls, so you can't just add a reference to it. You need the client installed.
The managed ODAC only needs the referenced dll, are you able to use this instead ?
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