Inserting a link into text

A strange thing is happening.  When I highlight text and choose the "insert/edit link" option, I am unable to get my curser to go into the box to paste the link in.  My counterpart who is helping me with the page and is added to the account CAN insert links.  Any idea what could be happening?  Thanks in advance!  I would insert a photo but the photo option is greyed out in menu for this post...  

I was unable to get the feature to work and figured out how to do it by mimicking another text with link in the html.   I am no html person, but figuring this stuff out!

Glad you got that sorted out!  For future reference, here's instructions:

https://www.ownerrez.com/support/articles/links