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ABAP Code Snippet ARTICLE
Cannot Change an Internal Table in a Loop You cannot change a complete internal table in a loop operating on this table in ABAP Objects. Changes to the table as a whole may be caused by, for example, the REFRESH , CLEAR, FREE, MOVE, SORT, or SELECT INTO TABLE statements. This applies to internal tables from procedures and internal tables imported from a data cluster.
In ABAP Objects, the following statements cause an error message:
LOOP AT itab INTO wa. CLEAR itab. ENDLOOP.
Correct syntax:
LOOP AT itab INTO wa. ... ENDLOOP. CLEAR itab.
Cause:
When the table is accessed again, system behavior will be unpredictable and may lead to runtime errors.
