3708481 - PTP Replication error 'Valid-from date of current marital status is missing' for employees in Switzerland

PTP replication of a Swiss employee throws error "Valid-from date of current marital status is missing" even if the employee´s marital status is single or unknown. 
(Message No. HRPAYCH_ELM50084)
The error can occur also for time periods when the employee had worked as contingent worker although as such he/she should be excluded from replication automatically. 

• PTP Replication
• Personnel Administration Switzerland
• Payroll Switzerland

PTP, replication, IT0002, Swiss, Switzerland, Schweiz, Mar. Status, Since, FAMST, FAMDT, civil status, Zivilstand, seit, Gültigkeitsbeginn des aktuellen Zivilstands fehlt, ELM, 5.0, CL_HRPA_INFOTYPE_0002_CH, V_T5C34, T502T, T5C53       , KBA , LOD-EC-ECP-EDR , Employee Data Replication , PA-PA-CH , Switzerland , PY-CH , Switzerland , Problem