SAP Note 24059 - Fast entry: Error F4655 when inserting

Symptom:

When generating variants of the fast entry, the error F4655 (not enough space) occurs when inserting a new field.
However, the variant can be created again in unchanged form.
Key words: SAPDFKA6 OT43 OT45 FAKP T021D T021F T021I

Cause and prerequisites

Error.

Solution
Correction for Releases 2.2F/3.0A.
Advance correction:
/NSE38 - SAPDFKA6
FORM AT021I_EINFUEGEN.
...
* REFE1 = REFE1 + VORTAB-LENG + 1. <-- delete
REFE1 = REFE1 + VORTAB-LENG. <-- insert

* ------ Noch Platz für ausgewähltes Feld? -----------
IF REFE1 > CONST-MAXCO.
MESSAGE S655 WITH REFE2 VORTAB-LENG CONST-MAXCO.
PERFORM STEHENBLEIBEN.
ENDIF.
...