AttributeNSNotUnique

Notice! This page describes the nature of the error using a hypothetical example and not the erroneous data of the input test file. You should however be able to apply this information to your error case.

General description of the error:

The format of the error message: Attribute \"{1}\" bound to namespace \"{2}\" was already specified for element \"{0}\".

Error description in schema standard: http://www.w3.org/TR/2004/REC-xml-20...4/#uniqattspec

Possible causes for this error:

Attribute namespace is declared twice within one element

Example

<Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"

xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03">

Error message: Attribute "xmlns" bound to namespace "http://www.w3.org/2000/xmlns/" was already specified for element "Document".

How to fix: Remove duplicate namespace delcaration

<Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03" xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03">