Make seed fault tolerant

What does this MR do?

This fixes serveral bugs in the designs seed that cause it to raise errors. Seeds should not throw exceptions

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Performance and Testing

This is a development task, it is not run in production.