Hej @lcreinsb, That's a great question. Usually, when this happens, it is because of the screws you are using. On the item's assembly guide, it mentions that you shouldn't use a flat-head screw so, if you are, it might be causing this issue:
Different wall materials require different screws as well so we recommend contacting your local specialized dealer for more information, if the issue persists. We hope this helps.
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