Thanks for reporting the issue . Unfortunately we are not able to reproduce this issue. Could you kindly provide the following information to help us nail this down :
1. Machine details which can be found by :WIN : Go to settings and Click on System and Click on About . In Windows Specifications , machine details can be found .
MAC : Choose Apple menu > About This Mac.
2. Version of Illustrator .
3.Kindly rename your Preferences folder placed in below location and share this folder with us .
MAC: /Users//Library/Preferences/Adobe Illustrator Settings//
WIN: C:\Users\\AppData\Roaming\Adobe\Adobe Illustrator Settings\
Kindly share the above with us in a Zip file at email@example.com. Please mention the title of this issue as the subject of the mail.
An error occurred while saving the commentGerard commented
No way Adobe is "unable to reproduce" this issue. Such BS!!! Losing the keyboard shortcuts for zoom and pan happens far to often and randomly for the huge expense paid for these apps. The Illustrator dev team **** well should have the problem not only identified, but a fix for it.