oracle-manageddataaccess

I am creating a MVC application using EF 6.0.0.0 and ODP.Net Oracle.ManagedDataAccess version 4.121.2.0 for the data access. In my Controller called EmployeeController , I have the following code snippet: public ActionResult Details(int id) { try { EmployeeContext employeeContext = new EmployeeContext(); Employee employee = employeeContext.Employees.Single(x => x.Id == id); //Here the exception occurs! return View(employee); } catch (Exception e) { return View(e); } } And when I load the Employee/Details.cshtml page I got the following Exception: "An error occurred while executing the command

Our Oracle database was recently updated from 12.1.0.2 to 12.2.0.1 + patch set update 20180417. Ever since the update we are getting the following error when calling a plsql procedure: ORA-21700: object does not exist or is marked for delete We have narrowed down the issue and it seems to be caused by using the table operator on an associative array defined within the package. All my research shows that what we are doing was introduced in 12.1 and should still work in 12.2. Below is a simplified version of a procedure that is failing along with the related type definition. It is being called

this is my powershell code : [void][System.Reflection.Assembly]::LoadFile("C:\DLL\Oracle.ManagedDataAccess.dll") $OracleConnexion = New-Object Oracle.ManagedDataAccess.Client.OracleConnection('User Id=test;Password="test";Data Source=10.2.2.1/TEST') $TimeOut = 60 $OracleConnexion.Open() $Query=$OracleConnexion.CreateCommand() $Query.CommandText="Select * FROM TEST" $Query.CommandTimeout = $Timeout $ExecuteRequete=$Requete.ExecuteReader() while ($ExecuteRequete.Read()) { $SiebelLastRecord += $ExecuteRequete.GetDateTime(0).ToString() } $OracleConnexion.Close() So I'm opening ODP.NET connection