ya即使我遇到了同样的问题，甚至我也尝试了相同的方法，例如删除表重新创建了所有内容，但没有成功，最后我尝试了追加一些随机表，然后转到追加底部的高级选项"弹出窗口 在这里，您将看到一些存储列映射"和其中的一些映射，现在删除所有这些映射并单击接受"，现在您可以追加表了

ya even i had the same problem, even i tried the same way u did, like deleted the table recreated everything, it did not work, finally i tried to append some random table and went to "Advanced Options" at the bottom of the append pop up in this u will see some "Stored Column mappings" and some mappings in it, now delete all of them and hit "Accept" now u can append the table

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