ALV Report..Dump Error

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Hi All..

I am facing RunTime error as "Read Report Line too Long"..

This code has no errors, while activation...

Please Help me out....

DATA : BEGIN OF it_skf OCCURS 0,

zreqtyp like zcomd_skftable-zreqtype,

zreqemail like zcomd_skftable-zreqemail,

zreqno like zcomd_skftable-zreqno,

END OF it_skf.

DATA : alvfc TYPE slis_t_fieldcat_alv.

select single zreqtype zreqemail zreqno into (it_skf-zreqtyp, it_skf-zreqemail, it_skf-zreqno)

from zcomd_skftable where zreqno = s_reqno-low.

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

EXPORTING

i_program_name = sy-repid

i_internal_tabname = 'IT_SKF'

i_inclname = sy-repid

CHANGING

ct_fieldcat = alvfc

EXCEPTIONS

inconsistent_interface = 1

program_error = 2

OTHERS = 3.

*------- Field Catalogue

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

EXPORTING

i_program_name = sy-repid

i_internal_tabname = 'IT_SKF'

i_inclname = sy-repid

CHANGING

ct_fieldcat = alvfc

EXCEPTIONS

inconsistent_interface = 1

program_error = 2

OTHERS = 3.

*----

Display

CALL FUNCTION 'REUSE_ALV_LIST_DISPLAY'

EXPORTING

it_fieldcat = alvfc

i_callback_program = sy-repid "<-------Important

i_callback_user_command = 'ITAB_USER_COMMAND' "<------ Important

TABLES

t_outtab = it_skf

EXCEPTIONS

program_error = 1

OTHERS = 2.