fix(output): exit simulation if output configuration is erroneous

[hoelger]

Description

Changes the error handling into the direction of "fail early and hard" when the output is not well configured. This might lead to bigger discussions in the group, but I think

Issue(s) related to this PR

• Resolves internal issue 977

Affected parts of the online documentation

No

Changes in the documentation required?

Definition of Done

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Required

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• All tests on Jenkins pass.

Requested (can be enforced by maintainers)

• New functionality is covered by unit tests or integration tests. Code coverage must not decrease.
• If a bug has been fixed, a new unit test has been written (beforehand) to prove misbehavior
• There are no new SpotBugs warnings.

Special notes to reviewer