Database
- Drizzle ORM: Migration error
- Elasticsearch: ConnectionError
- MongoDB: MongoNetworkError: failed to connect
- MySQL: Deadlock found when trying to get lock
- PostgreSQL: Connection pool exhausted
- Prisma: Migration failed to apply
- Redis: Connection refused
- Redis: OOM command not allowed when used memory > maxmemory
- SQL Injection: WAF blocked request
- SQLite: database is locked
- Supabase: Row Level Security policy violation