Sybase PowerDesigner XML User Manual page 166

XML Model objects verified by Check Model
Undefined reference
Existence of attribute
Existence of particle
Invalid cardinality
154
An element without a defined data type must have a reference.
Manual correction
In the element property sheet, define a
reference with the Reference dropdown
listbox or the Browse tool
An element without a reference, a data type or a substitution group should
have at least one attribute.
Manual correction
Define an attribute for the element
An element with an embedded complex type must contain child elements,
groups, group particles and/or Any.
Manual correction
Add items to complex element or delete
complex element
You should define a minimum (0 or 1) and a maximum cardinality (1 or
unbounded) for a group particle occurrence.
This check is only available in a model targeted with XDR.
Manual correction
Double-click the group particle symbol
and type a value for Minimum (0 or 1)
and Maximum (1 or unbounded)
properties
Automatic correction
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Automatic correction
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Automatic correction
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Automatic correction
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