Is InvestLimits previously involved as a target in a relation that may be destroyed when setting the new order?

>>Any timers around that could switch work area?
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>Yes, there are timers, but it happens too often just between those lines and nowhere else (in this million+ codeline app).
>I'm beginning to suspect it is a problem that its at the wrong datasession. Still does not explain why it passes the 1st line without a problem.
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>>>I'm stumped by the error in the title on the 2nd line. I catched this in the error log at a clients, so no repro.
>>>Its intermittend.
>>>
>>>

SELECT InvestLimits
>>>SET ORDER TO Itemid

>>>
>>>
>>>There is no variable called Investlimits, just an alias. The first line has no problem, but it bangs on the SET ORDER TO ItemID.
>>>
>>>Anyone have an idea?