ISGException : ERROR: missing method when deploying custom REST web services

Im getting the following error when deploying a custom web service

Error encountered in remote method.oracle.apps.fnd.isg.common.error.ISGException : Error in the generating PLSQL package oracle.apps.fnd.isg.common.error.ISGException : ERROR: missing method

this is the related code

 TYPE tc_exception_rec IS RECORD (

    emp_number         varchar2(10),

    tc_date      date,

    time_in varchar2(100),

    time_out varchar2(100),

    exception_detail varchar2(240)

      );

  TYPE tc_exception_table IS TABLE OF tc_exception_rec;

   /*#

* Use this procedure to get employee timecard exceptions

* @param pc_emp_no    Employee No

* @param pc_from_date   From Date

* @param pc_to_date    To Date