Improve logging when issue creation failed

Description

Currently the returning error message is not enough to understand the issue.
If a mandattory field is missing when creating a requuest (maybe also an issue), the field is not in the error messages, so the user has no idea about what the problem is exactly.
Improve logging to show what field is missing

Preliminary Test Cases

None

Assignee

Unassigned

Reporter

László Csekő

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Major
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