You want to change the Number Range Type of the Business Partner on Business Configuration, however the Type is greyed out.
SAP Cloud for Customer
Reproducing the Issue
1. Go to Business Configuration.
2. Access the Overview work center.
3. Search and open for Number Range.
4. Open the "General Busines Partners".
5. Click to open the "Define Number Ranges for Business Partners".
6. Under "Intervals" section, observe that the Type is greyed out.
This is the behavior of the system.
The Number Range Type cannot be changed.
Only the fields which are open for edit can be changed.
Number, Range, Automatic, Manual, Manually, Greyed, Out , KBA , LOD-LE-BP-BP , Business Partner , How To