"Has improper value for" is a predefined property to track input errors for irregular value annotations that was likely caused by type or allowed value restrictions.
en:ID of user who first entered (typed or imported) the recorde into this system. This is the operator (or typist) name, which may be different from the person responsible.<br />''DefaultValue: [dbo].[UserID]() '' +
ID of user who first entered (typed or imported) the recorde into this system. This is the operator (or typist) name, which may be different from the person responsible.<br />''DefaultValue: [dbo].[UserID]() '' +