Solution : https://service.sap.com/sap/support/notes/109527 (SAP Service marketplace login required)
Key words :
menu option 'dunning notice -> reorganization', additional key words f150, automatic dunning initial screen, dunning runs, data volume, continually increasing, detrimental effect, upgrade time, database conversions, tables mhnk
Related Notes :
| 76431 | Measures for optimizimg the upgrade runtime 4.x |