Customer upload Error: 'The provided Post code is too long. A maximum of 8 characters is acceptable.'

The postcode must be a British postcode in one of the following formats:
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99 9AA, AA99 9AA, AA9A 9AA - where A is a capital letter [A-Z] and 9 is a number [0-9]
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Remove any additional spaces either in the middle or end, ensure the postcode corresponds with the address and is in one of the formats above before reattempting upload.