Boston United summer signing Andy Butler has left the club to join the coaching staff at Peterborough United.
The experienced defender was announced as joining the Pilgrims in July from Doncaster Rovers.
Now, though, the National League North side say the 37-year-old has joined Championship Peterborough’s backroom staff.
The club have added in a statement: “We are extremely disappointed by this, as Andy is a contracted player to Boston United.
“This is a very unfortunate and unwelcome issue – and the club are trying to resolve the breach of contract situation with the player and Peterborough United.”