The issue reported is at Apple’s end.
Hence, Apple is recommending to update macOS to 10.15.x version in order to resolve this issue.
Please update your macOS to Catalina. If you still face this issue in macOS 10.15 do add your comment in this thread.
Adobe InDesign teamCharles Sladdin supported this idea ·
An error occurred while saving the commentCharles Sladdin commented
Happens on my machine as well. Only the main desktop, not the other monitors.
iMac 21" (Retina 4K)
3.1 GHz Intel Core I5
8 GB 1867 MHz DDR3
Intel Iris Pro Graphics 6200 1536 MB
Running dual BenQ GL2023 monitors