'RP_GET_PERNR_FROM_USERID'

CALL FUNCTION 'RP_GET_PERNR_FROM_USERID'

EXPORTING

BEGDA = sy-datum

ENDDA = sy-datum

USRID = sy-uname

• USRTY = USTY

IMPORTING

USR_PERNR = WA_PERNR

• EXCEPTIONS

• RETCD = 1

• OTHERS = 2

.

when I am using this in my code runtime error is coming...

whats wrong with the code