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#   Parent Category Behaviour

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15 years 10 months ago [\#3317](#3317) by [brainforge](/forum/user/423-brainforge "View brainforge's Profile")  *[Parent Category Behaviour](/forum/3-bug-report/3317-parent-category-behaviour#3317 "Go into Admin / Display / Content Menus / My Menu Click waste basket on Parent Category. Parent Category clears. On save Parent Category changes to the top category 'My Shop'. That's a reasonable default.  Go to corresponding shop page. Get errors in category listing.php due to $this-&gt;element being null. I think $this-&gt;element should be checked before use.  However, if I go back to admin, clear Parent Category then change it to 'My Shop' using the 'Select' button then it works OK. Looks like there might be something wrong with the default handling.")* was created by *[brainforge](/forum/user/423-brainforge "View brainforge's Profile")*

Go into Admin / Display / Content Menus / My Menu
Click waste basket on Parent Category.
Parent Category clears.
On save Parent Category changes to the top category 'My Shop'.
That's a reasonable default.

Go to corresponding shop page.
Get errors in category listing.php due to $this-&gt;element being null.
I think $this-&gt;element should be checked before use.

However, if I go back to admin, clear Parent Category then change it to 'My Shop' using the 'Select' button then it works OK. Looks like there might be something wrong with the default handling.

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15 years 10 months ago [\#3341](#3341) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile")  Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Re: Parent Category Behaviour](/forum/3-bug-report/3317-parent-category-behaviour#3341 "Go into Admin / Display / Content Menus / My Menu Click waste basket on Parent Category. Parent Category clears. On save Parent Category changes to the top category 'My Shop'. That's a reasonable default.  Go to corresponding shop page. Get errors in category listing.php due to $this-&gt;element being null. I think $this-&gt;element should be checked before use.  However, if I go back to admin, clear Parent Category then change it to 'My Shop' using the 'Select' button then it works OK. Looks like there might be something wrong with the default handling.")*

Hi,

Thank you for your input. We will work on improving that for next release.

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