如何解决这些错误？我只想将我的项目连接到Firebase，但遇到了所有这些错误

Question

[Fatal Error] core-common-2.1.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] collection-1.1.0.pom:2:1: Content is not allowed in prolog. 
[Fatal Error] viewpager-1.0.0.pom:2:1: Content is not allowed in prolog. 
[Fatal Error] core-1.1.0.pom:2:1: Content is not allowed in prolog.     
[Fatal Error] activity-1.0.0.pom:2:1: Content is not allowed in prolog. 
[Fatal Error] lifecycle-viewmodel-2.0.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] loader-1.0.0.pom:2:1: Content is not allowed in prolog.   
[Fatal Error] core-common-2.1.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] collection-1.1.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] loader-1.0.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] activity-1.0.0.pom:2:1: Content is not allowed in prolog. 
[Fatal Error] core-1.1.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] viewpager-1.0.0.pom:2:1: Content is not allowed in prolog.
[Fatal Error] lifecycle-viewmodel-2.0.0.pom:2:1: Content is not allowed in prolog.

在创建新项目时，我只是尝试运行简单的Flutter应用程序，并且不断出现这些错误。任何人都可以尝试并帮助我解决这个问题，因为我是扑扑和飞镖的新手