REPORT  z10_03.

DATA: BEGIN OF line,

        col1(12) VALUE 'ABCDEFGHIJKL',

END OF line.

FIELD-SYMBOLS : <FS>.

ASSIGN line-col1+6(*) TO <fs>.

WRITE / <fs>.

ASSIGN line-col1+6(6) TO <fs>.

WRITE / <fs>.

ASSIGN line-col1+5(5) TO <fs>.

WRITE / <fs>.

*ASSIGN line-COL1+5 TO <fs>.  "error occured

*WRITE / <fs>.

*ASSIGN line-COL1+5(10) TO <fs>. "error occured