In ABAP Objects, the following statements acause an error message:
CONSTANTS f.
HIDE: '...', f.
Correct syntax:
DATA: f1, f2.
HIDE: f1, f2.
Cause:
Interactive list events cause the fields hidden by the HIDE command to be overwritten with values in the HIDE area, which means that they must be changeable.n.
Overview:
Replacement for Obsolete Statements ABAP Objects