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Error 50103 occurs. Reading three signals off PCI 6259 card

Error 53103 occurs in my program. Am reading off three inputs from the NI PCI 6529 card, AI3 to AI5 using the DAQ assistant. Any help please?
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You're trying to do two AI tasks on the same device at the same time. You can't do that, because the device has only one AI timing system (among other reasons). Try combining the two tasks into a single task, or chaining the error out of one task into the error in of the second task.

Joe
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