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Check with the developer to make sure Adobe Acrobat works with this version of macOS. You may need to reinstall the application. Be sure to install any available updates for the application and macOS.
Click Report to see more detailed information and send a report to Apple.
As per the issue description mentioned above, you are getting above mentioned error when trying to open a pdf attachment, is that correct?
Could you try following troubleshooting steps:
1- Download and run cleaner tool on the machine to uninstall Acrobat: Download Adobe Reader and Acrobat Cleaner Tool - Adobe Labs
2- Reboot the machine
3- Download and install Acrobat from here: Download and install Acrobat DC subscription
4- Reboot the machine again and check.
You may also refer to
You may also refer to the following forum thread discussing the similar issue:
Adobe Acrobat Reader DC cannot be opened
Acrobat DC not compatible with MacOS Sierra 10.12.3?