MAINT: enhance output when table cannot be parsed

Summary

Previously, when there was a problem with a table that shall be parsed by the crawler (e.g. wrong datatype, bad format of a date and so on) there was simply the statement: 'Cannot parse FILENAME'

Now the message that is contained in the ValueError is actually printed (not only in debugging logs).

Also, the check_datatypes method was missing an appropriate call to logging.warning.

Test Environment

Load a table using the webinterface where the table causes a ValueError in one of the converter functions.

Check List for the Author

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Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
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• In-code documentation and comments are up-to-date.
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assigned to @henrik

changed the description

https://gitlab.indiscale.com/caosdb/customers/geomar/management/-/issues/36

marked the checklist item Reference related Issues as completed

marked the checklist item Up-to-date CHANGELOG.md as completed

marked the checklist item Annotations in code (Gitlab comments) as completed

marked the checklist item Up-to-date CHANGELOG.md as incomplete

assigned to @florian and unassigned @henrik

marked the checklist item I understand the intent of this MR as completed

marked the checklist item All automated tests pass as completed

resolved all threads

marked the checklist item The test environment setup works and the intended behavior is as completed

marked the checklist item In-code documentation and comments are up-to-date. as completed

marked the checklist item Check: Are there spezifications? Are they satisfied? as completed

mentioned in commit 6ff421ed

merged