The document was saved, but data for speech recognition was lost because there was not enough space to store it. Be sure to turn off the microphone when you are not recording, and check the available storage space on the disk.
｢工具｣ –> ｢選項｣ –> ｢儲存｣ –> 取消｢內嵌語言資料｣ (Embeded linguistic data) 即可。
Solution: Tool -> Option -> Save -> deselect Embeded linguistic data.
This solution works for me.