Fix: report invalid actions in player REST API.
Fix: report invalid actions in player REST API.
tchaik/tchaik,tchaik/tchaik,GrahamGoudeau21/tchaik,GrahamGoudeau21/tchaik,tchaik/tchaik,tchaik/tchaik,GrahamGoudeau21/tchaik,GrahamGoudeau21/tchaik