SAP Message VY074 - Postal code &1 lies within postal code area &2 &3; but outside of &4

Diagnosis
One of the postal codes you entered is outside one defined area butwithing the others. This led to inconsistencies during determination ofthe tariff zone with the smallest postal code interval. For this reasonthis entry is not allowed
Valid overlapping :
|- 10000 -|------------------------|- 20000 -|
|-15000-|----|-17000-|
Invalid overlapping :
|- 10000 -|------------------------|- 20000 -|
|- 09999 -|----------|- 16000 -|
|- 18000 -|-------------|- 24000 -|