[prisma 5] investigate Unique constraint failed

[masterkain]

very rarely this might happen during heavy traffic:

- error PrismaClientKnownRequestError: 
Invalid `prisma.occurrence.upsert()` invocation:


Unique constraint failed on the fields: (`notice_id`,`message`)
    at zr.handleRequestError (/app/node_modules/@prisma/client/runtime/library.js:122:8308)
    at zr.handleAndLogRequestError (/app/node_modules/@prisma/client/runtime/library.js:122:7697)
    at zr.request (/app/node_modules/@prisma/client/runtime/library.js:122:7307)
    at async processError (/app/.next/server/app/api/v3/notices/route.js:150:9)
    at async POST (/app/.next/server/app/api/v3/notices/route.js:279:9)
    at async /app/.next/server/chunks/6255.js:3682:37 {
  code: 'P2002',
  clientVersion: '5.0.0',
  meta: { target: [ 'notice_id', 'message' ] }
}