XML Model objects verified by Check Model
Undefined base type
You must define a base type when you derive a simple or a complex type by restriction.
Manual correction  | Automatic correction  | 
In the simple or complex type property  | —  | 
sheet, click the Properties tool beside the  | 
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Derivation box to display the Extension  | 
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property sheet and select a base type with  | 
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the Base type dropdown listbox or the  | 
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Browse tool  | 
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Existence of facet
A simple type restriction must have at least one facet defined. Facets are defined in the Detail, Enumerations and Patterns pages of a simple type restriction property sheet.
Manual correction  | Automatic correction  | 
Define one or more facets in the simple  | —  | 
type restriction property sheet  | 
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Simple type list check
During a simple type list check, the following object control is made.
Undefined base type
You must define a base type when you derive a simple type by list.
Manual correction  | Automatic correction  | 
In the simple type property sheet, click  | —  | 
the Properties tool beside the Derivation  | 
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box to display the simple type list  | 
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property sheet and select a data type with  | 
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the Type dropdown listbox or the Browse  | 
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tool  | 
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164 | PowerDesigner  |