internal table data not getting reflected in adobe form when calling from driver program

[vieet]

I have created adobe form and calling adobe form from the driver program. I have issue in moving data of internal table lt_zmatvaliditem of custom table from
report program into the adobe form internal table gt_zmatvaliditem .
Before calling of the adobe form , I can see 10 records in the internal table lt_zmatvaliditem.
In debugging mode when the control jumps into the code initialization I have metioned the internal table in import and export parameters.

I can see in debugging mode gt_zmatvaliditem no. of records is zero.

Things I have checked ::
I have created structure in DDIC ZSTMATVALIDITEM and table type ZTTMATVALIDITEM with same structure.
This table type I have mentioned in import parameters gt_zmatvaliditem type ZTTMATVALIDITEM.

I don't think other than this any other thing needs to be done . I was expecting gt_zmatvaliditem with 10 records which is not reflecting.

can some one tell me what could be stopping the movement of data between internal table of report program lt_zmatvaliditem and adobe form gt_zmatvaliditem .

is there any  issue in this structure. I have checked it with database table only mandt is not mentioned here.

Pleae help me as I have to submit by the end of the day.

[Sandra_Rossi]

You defined the parameter in "IMPORT". Why are you passing via the obsolete word "TABLES"? You should pass via "CALL FUNCTION ... EXPORTING".

[vieet]

I have tried with exporting parameters. it is throwing dump.

When calling function module "/1BCDWB/SM00000014", an attempt was made to pass
internal
table "LT_ZMATVALIDITEM" to formal parameter "GT_ZMATVALIDITEM". This resulted
in a type conflict
between the formal and actual parameters.

[Sandra_Rossi]

Then, obviously, it means that you didn't declare LT_ZMATVALIDITEM as the type ZTTMATVALIDITEM.