quick SSIS help

Getting an error importing date in format '17-DEC-2018' into SQL server date column, need to create correct transformation in SSIS. Please create instructions: provide string of code and where to insert it. Error is below Error: 0xC0049064 at Encounters_new, Derived Column [2]: An error occurred while attempting to perform a type cast. Error: 0xC0209029 at Encounters_new, Derived Column [2]: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "Derived Column" failed because error code 0xC0049064 occurred, and the error row disposition on "Derived [login to view URL][Derived Column Output].Columns[Column_dt]" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure. Error: 0xC0047022 at Encounters_new, [login to view URL]: SSIS Error Code DTS_E_PROCESSINPUTFAILED. The ProcessInput method on component "Derived Column" (2) failed with error code 0xC0209029 while processing input "Derived Column Input" (3). The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running. There may be error messages posted before this with more information about the failure. Error: 0xC02020C4 at Encounters_new, Flat File Source [16]: The attempt to add a row to the Data Flow task buffer failed with error code 0xC0047020. Error: 0xC0047038 at Encounters_new, [login to view URL]: SSIS Error Code DTS_E_PRIMEOUTPUTFAILED. The PrimeOutput method on Flat File Source returned error code 0xC02020C4. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing. There may be error messages posted before this with more information about the failure.