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Hola, hice lo que me dijiste, éste es mi código:
types: begin of spflig.
include structure sflight.
types: end of spflig.
data: sp type table of spflig with header line.
select * into corresponding
fields of table
sp from sflight.
type-pools: slis.
data int_fcat type
slis_t_fieldcat_alv.
call function 'REUSE_ALV_FIELDCATALOG_MERGE'
exporting
i_program_name = sy-repid
i_internal_tabname = 'sp'
i_inclname = sy-repid
changing
ct_fieldcat = int_fcat.
call function 'REUSE_ALV_GRID_DISPLAY'
exporting
it_fieldcat = int_fcat
tables
t_outtab = sp.
me sale que no es posible determinar un catálogo de campo. ayuda
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