Could it be that the client only imports ISBN-10s but only if they can be correctly converted to ISBN-13s?
If that is the case maybe the conversion-check could be deactivated or bypassed...
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Could it be that the client only imports ISBN-10s but only if they can be correctly converted to ISBN-13s?
If that is the case maybe the conversion-check could be deactivated or bypassed...
Changed in the new version - not yet released