Championship clubs have reportedly demanded a crisis meeting with referees' chief Mike Riley after complaining about the poor standard of officiating this season.
Second tier clubs have concerns over the fitness of referees taking charge of games and also believe blatant mistakes have been made.
The issue dominated Thursday's monthly meeting of Championship clubs, according to The Daily Telegraph, with many of the 24 clubs in the division ready to hold talk with Riley, who heads the Professional Game Match Officials Limited (PGMOL), who control refereeing in the professional game.
Clubs said they had been shocked at the standard of officiating in Championship matches this season, saying mistakes were affecting the outcome of games.