Symptoms

Problem with default cultural settings on K2 BlackPearl designer (per default French/Switzerland) versus default cultural settings in Sharepoint.
This has consequences on Amount / decimal fields on the forms that confuses “ , “ (commas) and “ ‘ “ (thousands) and “.” (dots) of form fields.
 

Diagnoses

The web.config files and the system regional settings should be in sync with all K2 accounts that are involved in the issue.
 

Resolution

All cultural settings, regional settings were set to the correct settings which resolved the issue.