Missing Translation in all languages

[Worti2]

Steps to reproduce the issue:

Create a menue item with a list of all contact categories.

Expected result:

You will exptect a translation in the tooltip box, when you hover with the mouse over the numbers after the category name.

Actual result:

In the tooltip box there is only this string COM_CONTACT_NUM_ITEMS, and not the translation.

System information (as much as possible):

Joomla! 3.4.5 testenviroment without any extention.

Additional comments:

You will find the string here: components/com_contact/views/categories/tmpl/default_items.php

[zero-24]

see: https://github.com/joomla/joomla-cms/pull/8139/files Thanks @Worti2

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_{This comment was created with the J!Tracker Application at issues.joomla.org/joomla-cms/8137.}