ProfileAssignmentsActions.js:74 
Uncaught TypeError: Cannot read property 'saveChanges' of undefined
save @ ProfileAssignmentsActions.js:74(anonymous function) @ ext-all-debug.js:6696executeFunctionByName @ Ametys.js:409onPress @ ButtonController.js:513(anonymous function) @ ext-all-debug.js:6696callback @ ext-all-debug.js:8497fireHandler @ ext-all-debug.js:132238onClick @ ext-all-debug.js:132226fire @ ext-all-debug.js:20326fire @ ext-all-debug.js:32684publish @ ext-all-debug.js:32660doDelegatedEvent @ ext-all-debug.js:32710onDelegatedEvent @ ext-all-debug.js:32697(anonymous function) @ ext-all-debug.js:6696