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Error The control tree into which viewstate is being loaded must match...

The error below is happening upon login. No idea what is going on here.

Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.

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TimSweet220
Asked:
TimSweet220
1 Solution
 
Bob LearnedCommented:
Sometimes this can happen if you using an dynamic ID for control, and you are working with dynamic controls...
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