macOS 10.14 Mojave: Application '...' has caused the following error: Application 'Synsopos.app' could not be started.

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macOS 10.14 Mojave: Application '...' has caused the following error: Application 'Synsopos.app' could not be started.

Problem

When trying to start a Steinberg program on macOS 10.14 Mojave, the following error message appears:

mojave-automation-elc-error-en.png

Reason

On macOS 10.14 Mojave, Steinberg programs require explicit permission given by the user to access Synsopos.app, a crucial component of Steinberg's license management.

Solution

Please follow the detailed instructions in this article:

macOS 10.14 Mojave: Steinberg program wants access to control Synsopops.app