Error Code Description
The plugin detected invalid XML in the SAML Metadata, SAML Logout Response, or SAML Response. This error occurs when a malformed XML is received from the user or the Identity Provider (IdP).
Solution
Please send the SAML tracer while reproducing the whole issue to samlsupport@xecurify.com.
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Feel free to reach us at samlsupport@xecurify.com