This is the 8492nd most frequent Japanese word.
手違い
A mistake or error.
Here, '手違い' is used to indicate an error or oversight in the process that caused the postponement of the meeting.
手違いにより会議が延期されました。
Due to a mishap, the meeting was postponed.
In this sentence, '手違い' refers to a mistake or complication in the ordering process that led to the wrong item being sent.
商品の注文に手違いがあり、別の商品が届いてしまいました。
There was a mistake in the product order, and a different item was delivered.
The term '手違い' here describes an unforeseen issue or misstep in communication that resulted in the delay.