User was having an issue setting a field from protected to open, here is a sample.
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here is the attachment
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Are you just trying to change the field from Protected to open? In designer, open the pdf, select the protected field and look for the Object Tool box, select the "value" tab and change the type dropdown from "protected" to "user entered-optional" (or whichever setting you want from the menu). The attached pdf has all fields open.
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