It emerged this week that the union had launched the action in relation to alleged failure to consult and inform over the transfer of contracts to Charles Green's newco club. PFA Scotland have said they will withdraw the case if Green drops his claim for compensation for players who declined to transfer to the new company under Transfer of Undertakings (Protection of Employment) legislation (Tupe) and left for other clubs.
But Green has refused to back down and McCoist said: "I don't know all the facts and figures so I stand corrected if I'm wrong, but if I'm one of the players and I was against the action, I would probably be a little bit disappointed that I had possibly been put in a compromising situation, especially with our own fans."
McCoist, whose team visit Montrose in the Irn-Bru Third Division on Saturday, added: "Our fans, who have been nothing short of sensational from start to finish through this whole process of us rebuilding, I think their noses might be out of joint if there are players who are taking the club to court and trying to get more money out the club.
"I just feel one or two of the players are a little upset at the potential of being put in a compromising position by their union, who possibly could have and should have informed them of this.
"It might have been our position to tell them that they were effectively taking us to court. I'm not sure that's the case, but it is a little bit of a dog's dinner."
The compensation claim will go before an initial arbitration hearing at the Scottish Football Association on January 7. Rangers are pursuing damages from six of their former players - Steven Naismith, Steven Whittaker, Sone Aluko, Kyle Lafferty, Allan McGregor and Jamie Ness.
McCoist said: "I think the club and Charles in particular have every right to pursue financial benefits where they think we are legally entitled. I can totally understand that. The club have taken legal advice on it and feel the club are possibly due money and I would absolutely back that.
"We have probably lost in the region of £30million of players and the club feel they have the right to pursue that legal case. Players left for absolutely nothing, which they feel they were entitled to do.
"You have someone like Maurice Edu, who stayed and Tupe-d over and the club got a small fee for him. I think the fans are looking at someone like Maurice Edu, who they believe left in the right manner."
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