DB schemes differ if they are either freshly installed on a v7.4.1 basis or evolved through several release upgrades.
Therefore an update task is introduced that performs the necessary changes to get aligned to a fresh DB schema.
Associated update task name:
com.openexchange.groupware.update.tasks.DropFKTask v2
Therefore an update task is introduced that performs the necessary changes to get aligned to a fresh DB schema.
Associated update task name:
com.openexchange.groupware.update.tasks.DropFKTask v2