Hi leewwe,
这个问题是突然发生的吗?一般遇到这种错误信息, 你可以尝试右键单击工程名,clean project,或者先关闭这个工程,打开它的根目录,找到隐藏文件夹.vs,然后删除这个文件夹,再打开这个项目试试看。
Best regards,
Sara
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