Error when print PDF-Based form by code

Question

Hi all,
I run debug my following code and i got a error : "Job already started" in step 3.
Pls help to solve the problem, thanks alot
My code:
Step1:
  CALL FUNCTION 'FP_JOB_OPEN'
    CHANGING
      IE_OUTPUTPARAMS       = FP_OUTPUTPARAMS
    EXCEPTIONS
      CANCEL                = 1
      USAGE_ERROR           = 2
      SYSTEM_ERROR          = 3
      INTERNAL_ERROR        = 4
      OTHERS                = 5.
Step2:
Get the name of the generated function module
  CALL FUNCTION 'FP_FUNCTION_MODULE_NAME'
    EXPORTING
      I_NAME                     = u2018<form name>u2019
    IMPORTING
      E_FUNCNAME                 = FM_NAME.
Step3:
Language and country setting (here US as an example)
fp_docparams-langu   = 'E'.
fp_docparams-country = 'US'.
Call the generated function module
  CALL FUNCTION FM_NAME
    EXPORTING
      /1BCDWB/DOCPARAMS        = FP_DOCPARAMS
  IMPORTING
    /1BCDWB/FORMOUTPUT       =
    EXCEPTIONS
      USAGE_ERROR              = 1
      SYSTEM_ERROR             = 2
      INTERNAL_ERROR           = 3.
Step4:
Close the spool job
  CALL FUNCTION 'FP_JOB_CLOSE'
  IMPORTING
    E_RESULT             =
    EXCEPTIONS
      USAGE_ERROR          = 1
      SYSTEM_ERROR         = 2
      INTERNAL_ERROR       = 3
      OTHERS               = 4.
  IF SY-SUBRC <> 0.
            <error handling>
  ENDIF.

Answer 1

Problem is solved. Just change ProgramID in code.