Duplicate Simple Product Throws Error: Undefined offset: 0 in SaveHandler.php on line 122

[lee586]

Preconditions

1. Magento CE 2.2
2. PHP 7.1.10

Steps to reproduce

1. Click on an existing simple product in the catalog manager
2. Click the "Save & Duplicate" option

Expected result

1. The product saves and creates a duplicate item

Actual result

1. Saves the product but doesn't duplicate it. Throws the following error:
   Notice: Undefined offset: 0 in /home/store/public_html/vendor/magento/module-catalog/Model/Category/Link/SaveHandler.php on line 122

[lee586]

Only able to replicate error on simple products that were created before version 2.2. Products I had created under 2.18 won't duplicate. New products created under 2.2 successfully duplicate.

[alen9788]

Same issue here for the M2.2 can not duplicate the products.

After click the " save&duplicate"

Notice: Undefined offset: 0 in /var/www/wowlla.com/vendor/magento/module-catalog/Model/Category/Link/SaveHandler.php on line 122

[magento-engcom-team]

@lee586, thank you for your report.
We've created internal ticket(s) MAGETWO-82173 to track progress on the issue.

[hezide]

Same issue on 2.2.0...
Never happened before

[cih95]

The same problem to me.
after upgrade to 2.2.0

[keanass]

same problem here 2.2.0
the product dosen't duplicate and show it saved bu nothing happen with the same error :
Notice: Undefined offset: 0 in /vendor/magento/module-catalog/Model/Category/Link/SaveHandler.php on line 122