为什么导入失败啊？

系统：win10

sm版本：sm18，英文版

导入失败。显示如下：

SuperMemo Report
   Activity: Importing from E:\2022-01-30 20_20.xml
   Collection: e:\supermemo\systems\my collection
   Date: Friday, April 22, 2022, 1:27:15 PM
   SuperMemo 18 (Build 18.05, Oct 29, 2020)

Dismissing Concept #298: untitled

Process completed at 1:27:15 PM in 00:00:00 sec (Friday, April 22, 2022)

NO ERRORS (Importing from E:\2022-01-30 20_20.xml)

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步骤是一样的，但是我这一直无法成功，有大佬知道这是为什么吗？