fix secExp BC

src/Mods/SecExp/js/secExp.js

@@ -391,6 +391,9 @@ App.SecExp.Check = (function() {
 		if (jsDef(V.secExp)) {
 			if (V.secExpEnabled !== 1) {
 				V.secExpEnabled = V.secExp;
+				if (typeof V.secExpEnabled !== "number") {
+					V.secExpEnabled = 0;
+				}
 			}
 			delete V.secExp;
 		}