The most common reasons for replanning are: Employee turnover & departure (pension) Substitution during illness, vacation, parental leave, etc. Change of working hours (full-time - part-time) Increase or decrease of the sales team due to goals or strategy changes Acquisitions and sales of companies and company divisions. External influences also make it necessary to adapt the sales organization. Reasons can be:  Territorial reforms involving mergers of municipalities, ZIP Codes, or market cells Changes in the market and customer structure, competition and the like