Only hooked up the section state had forgot to plugin into Header's isEvaluationEnabled

src/components/ExamEditor/Exercises/Blanks/Letters/index.tsx

@@ -106,7 +106,7 @@ const FillBlanksLetters: React.FC<{ exercise: FillBlanksExercise; sectionId: num
         onPractice: () => {
             const updatedExercise = {
                 ...local,
-                //isPractice: !isPractice,
+                isPractice: !local.isPractice,
             };
             const newState = { ...section };
             newState.exercises = newState.exercises.map((ex) =>
@@ -242,8 +242,6 @@ const FillBlanksLetters: React.FC<{ exercise: FillBlanksExercise; sectionId: num
         // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [answers, blanksState.blanks, blanksState.textMode])
 
-    
-
     useEffect(()=> {
         setEditingAlert(editing, setAlerts);
     }, [editing])
@@ -266,7 +264,7 @@ const FillBlanksLetters: React.FC<{ exercise: FillBlanksExercise; sectionId: num
                 onDelete={handleDelete}
                 setEditing={setEditing}
                 onPractice={handlePractice}
-                isEvaluationEnabled={true}//local.isPractice}
+                isEvaluationEnabled={!local.isPractice}
             >
                 <>
                     {!blanksState.textMode && <Card className="p-4">