Fail to decode saml authn request v3.2.1

[C G]

Have a latest shib idp 3.2.1 

After configuring metadata of idp, the idp throws an error that it needs targetID and ProviderName (idp) and thus unable to decode the saml2 authentication request.

The request is as follows from sp (external )
===
Version="2.0"
IssueInstant="2016-04-09T22:01:37Z"
Destination="https://xyz/idp/profile/Shibboleth/SSO"
AssertionConsumerServiceURL="http://xyzabc/wp-content/plugins/saml-20-single-sign-on/saml/www/module.php/saml/sp/saml2-acs.php/1"
ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST">
<saml:Issuer>xyzabc</saml:Issuer>
<samlp :NameIDPolicy Format="urn:oasis:names:tc:SAML:2.0:nameid-format:transient"
AllowCreate="true" />
===

Appreciate any pointers to get this resolved 



Thanks!


Excuse me for brevity and typos from iPhone Keypad!
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