I am working on Flutter MAC app. And using ObjectBox store DB for local data saving.
When i am setting Sandbox - NO, It is working fine.
But when i am setting Sandbox - YES for production MAC flutter app - It is giving error and getting black screen only
flutter: 
Test file written at: /Users/sunil.yadav/Library/Containers/com.magic.macfalcon/Data/Library/Application Support/com.magic.macfalcon/objectbox_data/test.txt
001-11:39:19.7357 [ERROR] Storage error “Operation not permitted” (code 1)
[ERROR:flutter/runtime/dart_vm_initializer.cc(40)] Unhandled Exception: StorageException: failed to create store: Could not open database environment; please check options and file system (1: Operation not permitted) (OBX_ERROR code 10199)