[Concert] 공연 조회 관련 예외 처리 및 오류 코드 추가#114

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Creamcheesepie merged 2 commits into

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Dec 18, 2025

Commits on Dec 16, 2025

feat: 오류 코드 추가 및 예외 처리 추가
Creamcheesepie
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Commits on Dec 17, 2025

Merge branch 'main' of https://github.com/prgrms-web-devcourse-final-project/WEB7_9_codecrete_BE into feat/#55
Creamcheesepie
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