installing extension error

i get this error when i try to install the extension. how can i fix it ? Modification Urgent Cargus is using the same ID code as the one you are trying to upload! thank you

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  •  
    Salut, Am avut si eu problema asta. Mai intai trebuie sa dai "Clear" dupa care sa incerci sa-i dai "Upload". Sper sa ajute
    Posted by Hidden Mon, 14 Nov 2016 12:44:45 GMT

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