Version ie <v5.11.0>
Environment <Docker/Synology>
When exporting the customer list as a CSV, it can be read in Excel as a UTF-8 coded file. All 80 customers were exported without errors.
If the same CSV file is imported, customer entries are missing.
Repeated attempts show that the same entries are always missing.
No special features are recognizable. The customer data is rudimentary Name, street, city, country