System version: 10.15.3
PS version: CC2015
Problem: After upgrading to 10.15.3, plug-ins that previously worked normally on CC2015 failed.
The plugin crema is incompatible with this version of generator-core. generator-core version: 3.4.0, plugin compatibility: ~3.5
Installing CC 2018 appears:
APP开发者需要更新此APP以使其在这个版本的macOS下正常工作。请联系开发者了解更多信息。
After searching, I learned that the new version of the system no longer supports 32-bit software. The previous PS or some of its components were 32-bit, and packages issued before June 2019 are no longer available. So it is better not to upgrade the system, just roll back.