Comment 1 for bug 1017470
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| Pieter J. Kersten (EduSense BV) (pieterj) wrote | #1 |
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1b1ed1a
(Get the code!)
Hi David,
The message suggests you have two valid periods on date 1/1/2012. On every date there can be only one period active. Are you sure there are no other periods active which include that date?