Error message when updating menu navigation labels

I’m running 2.7.1 on Reclaim, using the Emiglio theme.

I went to the Navigation Tab under Appearance to update the labels for some of the links in the drop down. I made changes to 3 labels (there are over 1 dozen), but when I tried to save I got this error:

Warning: htmlspecialchars() expects parameter 1 to be string, array given in /home/gallery1/public_html/application/libraries/Zend/View/Abstract.php on line 905

  • The navigation settings were not saved because of missing or invalid values. All changed values have been restored.

I know I’ve updated these before and this is new. The labels are text strings - I was just editing them. Any insight?

This happens no matter what change you try to make?