-20328 THE DOCUMENT WITH TARGET NAMESPACE `namespace` AND SCHEMA LOCATION `location` HAS ALREADY BEEN ADDED FOR THE XML SCHEMA IDENTIFIED BY `schema name`

Explanation
 This error can occur while invoking the XSR_ADDSCHEMADOC
stored procedure. There cannot be two documents with the same targetnamespace and schemalocation within
an XML schema.

System action
 The operation fails with this SQLCODE.

Programmer response
 Change either the namespace or schemalocation of
the document that is being added.

SQLSTATE
 42749

-20328 THE DOCUMENT WITH TARGET NAMESPACE namespace AND SCHEMA LOCATION location HAS ALREADY BEEN ADDED FOR THE XML SCHEMA IDENTIFIED BY schema name

Explanation

System action

Programmer response

SQLSTATE

-20328 THE DOCUMENT WITH TARGET NAMESPACE `namespace` AND SCHEMA LOCATION `location` HAS ALREADY BEEN ADDED FOR THE XML SCHEMA IDENTIFIED BY `schema name`