I saw this also in the public catalog while logged in as a patron placing a hold on a title with over 1.000 copies. After clicking Submit, there was a long delay. I finally got the attached screen, lacking the "successfully placed" message.
I saw this also in the public catalog while logged in as a patron placing a hold on a title with over 1.000 copies. After clicking Submit, there was a long delay. I finally got the attached screen, lacking the "successfully placed" message.