-16020 THE CONTEXT NODE IN A PATH EXPRESSION THAT BEGINS WITH AN INITIAL "/" OR "//" DOES NOT HAVE AN XQUERY DOCUMENT NODE ROOT. ERROR QNAME = `err:XPDY0050`

Explanation
 The root node above the context node in an absolute
path expression (The symbols / or // at the beginning of the path
expression) must be an  XQuery document node.

System action
 The XQuery expression cannot be processed.

Programmer response
 Change each path expression that begins
with an initial "/" or "/ /" so that the context
node has a root node that is an XQuery document node.

SQLSTATE
 10507

-16020 THE CONTEXT NODE IN A PATH EXPRESSION THAT BEGINS WITH AN INITIAL "/" OR "//" DOES NOT HAVE AN XQUERY DOCUMENT NODE ROOT. ERROR QNAME = err:XPDY0050

Explanation

System action

Programmer response

SQLSTATE

-16020 THE CONTEXT NODE IN A PATH EXPRESSION THAT BEGINS WITH AN INITIAL "/" OR "//" DOES NOT HAVE AN XQUERY DOCUMENT NODE ROOT. ERROR QNAME = `err:XPDY0050`