Cannot Use CLEAR WITH NULL

The statement CLEAR WITH NULL is not permitted in ABAP Objects.

Error message in ABAP Objects if the following syntax is used:

CLEAR f WITH NULL.

Correct syntax:

CONSTANTS hex(1) TYPE x VALUE IS INITIAL.
CLEAR f with hex.

Reason:

Initialization with an incompatible type must be avoided. If required, the statement CLEAR WITH NULL can be replaced by the above sequence of statements.