fix: metadata in generate npe issue

[takatost]

Description

fix: metadata in generate npe issue

Type of Change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Manual Test

Suggested Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods
• optional I have made corresponding changes to the documentation
• optional I have added tests that prove my fix is effective or that my feature works
• optional New and existing unit tests pass locally with my changes