title: ORA-03137: malformed TTC packet from client rejected
body: <p>In C# I am doing bulkcopy in oracle database then another stored procedure is called with oracle managed data access.
  Bulk copy is successful and inserts records in table. Next, when stored procedure executed getting the following error :</p>
  <blockquote>
  <p>ORA-03137: malformed TTC packet from client rejected:<br />
  [kpoal8Check-3] [16384] [0] [0x000000000] [265512] [] [] []<br />
  Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production<br />
  PL/SQL Release 12.2.0.1.0 - Production<br />
  &quot;CORE 12.2.0.1.0 Production&quot;<br />
  TNS for 64-bit Windows: Version 12.2.0.1.0 - Production<br />
  NLSRTL Version 12.2.0.1.0 - Production</p>
  </blockquote>
  <p>Tried to set the environment variable CC_ORA_DISABLE_BATCH_ERRORS=TRUE; but of no use.
  What is the fix for this error?</p>