English version of all error messages you can encounter while programming
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Localized version

入力しようとしている項目は既に存在します。値を変更するには、既存の項目を選択し、[編集] ボタンを使用します。X
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English version

The item you are trying to add already exists. To change the value select the existing item and use the Edit button. X
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Localized version
 Japanese

Error category
 .Net Framework

Other localized versions
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