I was going crazy not finding why a simple Person/Group Picker control would not show correctly in InfoPath 2010, I upgraded the latest build until I came across this discussion: it’s linked to Sharepoint Designer that I installed and broke InfoPath.
Who would know that! 🙁
My steps to fix it:
- uninstall InfoPath and SPD
- install InfoPath : not fixed
- install SPD : fixed infopath
InfoPath error: One or more required custom controls in this form cannot be created
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