Lille are being dicks because they don't want to honor their contract, which is a good reminder as to why you should NEVER side with management against a player except under specific circumstances where the player is being a complete asshole. Lille agreed to the contract, the player is perfectly happy to fulfill the terms of his contract (which include the right to run it down and leave on a free), and the club instead say "fuck you, if you want any chance to play football again this year, you must leave in January so that we get some money back". Understandable they want money, but they can fuck themselves at the same time.
And this of course is a chronic reminder to us about Suning and how broke they are and how they're holding us back in the process. If there was mutual interest, what amounts to being a virtual token fee is all that needs to be paid, and we can't make the payment and are going to lose the player as a result.
I won't blame Djálo one bit here. He's merely protecting his best interests.