The data was truncated while converting from one data type to another.

Error
WTPCS.EXE
SqlCEException
The data was truncated while converting from one data type to another. [ Name of function (if known)= ] 
at 
System.Data.SqlServerCE.SqlCeCommand.ExecuteCommandText()
at
WTPCS.WTPCS.citajKatalogcsv()
at
WTPCS.CEvdok.CEinv_Activated()
at
.....