In one of my Drupal installations I suddenly noticed I can no longer drag and sort the order of my blocks. The image shows on the left the admin with now drag handles and a screenshot of another admin with the handles.

screenshot

What could have happened? I think its AJAX/JavaScript related.

  • 1
    Which theme is being used in the first screenshot? – kiamlaluno Aug 3 '11 at 21:40

It's definitely js related, most likely a conflict/error from something in the theme or a contributed module. If you switch to a core theme, are the blocks draggable? If not, it's probably a module (or a script coming from somewhere else, like a block).

If you need to change block position ASAP, you can temporarily disable your browser's javascript, which should then cause the weight positioning drop-downs to appear, which you can use to adjust the order.

  • In order to find out if this is the problem, you should evaluate the javascript-errors presented by the browser. In Firefox you can do this with the firebug addon. – berkes Aug 31 '11 at 10:43

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