我尝试导入刚刚上传的软件包，但收到以下错误。
错误：
packages get
Running "flutter packages get" in sickw_flutter...
The current Dart SDK version is 2.0.0-dev.55.0.flutter-43635d3372.
Because sickw_flutter depends on imei_validator any which requires SDK version >=0.8.7 <=2.0.0-dev.55.0, version solving failed.
pub get failed (1)
Process finished with exit code 1
我已阅读并关注the documentation上传我的套餐，但我似乎无法查看错误原因。
链接：