Derby County have come across a ‘complication’ in one of their ongoing transfer pursuits. Paul Warne has had a brilliant summer in terms of bodies through the door at Pride Park so far, with the signing of Ben Osborn undoubtedly taking the headlines. The former Sheffield United and Nottingham Forest midfielder has arrived with both Premier League and Championship experience in abundance. Elsewhere, Warne has brought in further reinforcements in the centre of the park, with Kenzo Goudmijn arriving for a £600,000 fee, whilst Ebou Adams has also joined following his successful loan spell in the 2…