Insert problem

Hi everyone;

I cant solved the problem ; problem is

Insert ınto Dbtab values dbtab_structure. " sy-subrc eq 4 and record unwritten in the database.

Insert Dbtab from table dbtab_table. " raize SAPSQL_ARRAY_INSERT_DUPREC

CX_SY_OPEN_SQL_DB error.

I think this problem primary indexes but I cant solve.

this dbtab customize , and how am I ınsert this manual.

thanks helps and regards.

İrfan