Column with column name that ends with _ID and display type = Button should have integer instead of string type getter and setter in model class.
We have 2 instance of that in core model class:
C_BPartner.AD_OrgBP_ID
C_Project.C_ProjectType_ID
Column with column name that ends with _ID and display type = Button should have integer instead of string type getter and setter in model class.
We have 2 instance of that in core model class:
C_BPartner.AD_OrgBP_ID
C_Project.C_ProjectType_ID