|-
| valign='top' | '''Errors'''
|15 994 996<b>[[XQuery Errors#Cryptographic Functions Errors|FOCX0015]]</b> is raised if the signature element cannot be found.<br/>
<b>[[XQuery Errors#Cryptographic Functions Errors|FOCX9994]]</b> is raised if an unspecified problem occurs during validation.<br/>
<b>[[XQuery Errors#Cryptographic Functions Errors|FOCX9996]]</b> is raised if an IO exception occurs during validation.<br/>