I think you must install the jquery UI module otherwise it is impossible to configure the wysiwyg editor

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mrharolda’s picture

mrharolda commented
Issue summary: View changes
Status: Active » Closed (won't fix)

As of 22 September 2014, we no longer support the Drupal 6 version of Node Embed due to the small install base (< 15%) and more importantly: general lack of time.

If you would like to help and maintain the 6.x branch until Drupal 8 is released, please apply for co-maintainership!