Improve exception message for invalid citation keys #2

Merged
tobiasdiez merged 2 commits from clarifyException into master 2021-01-23 16:15:13 +01:00
tobiasdiez commented 2020-03-23 18:05:41 +01:00 (Migrated from github.com)

Change the exception to "Invalid Key" which was also used a bit further on in the code.

Change the exception to "Invalid Key" which was also used a bit further on in the code.
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