This response is not in "pseudo-XML" format due wrong <BR> mark:
<collective2>
<status>error</status>
<errortext>Unable to BTO 100000 MSFT - Current account cash is $87,785.70; proposed trade requires cash of $1,459,000.00 <BR>(code=pre)</errortext>
</collective2>
(I can not show "less than" and "greater than" marks in this message.)