update

appbuilder-ios/DigiXLite/DigiXLite/Source/FloatingButton/FloatingButton.swift

@@ -550,7 +550,7 @@ public class FloatingButton: UIView {
         var indexTap = 0
         if package_id.contains("_fb"){
             let listSplit = package_id.split(separator: "_", maxSplits: 1)
-            let numIdx = listSplit[listSplit.firstIndex(of: "fb") ?? 0]
+            let numIdx = listSplit[listSplit.firstIndex(where: { $0.contains("fb") }) ?? 0]
             indexTap = Int(String(numIdx).substring(from: 2, to: numIdx.count))!
             if listSplit.count == 2 {
                 app_id = String(listSplit[1])

appbuilder-ios/NexilisLite/NexilisLite/Source/FloatingButton/FloatingButton.swift

@@ -556,7 +556,7 @@ public class FloatingButton: UIView {
         var indexTap = 0
         if package_id.contains("_fb"){
             let listSplit = package_id.split(separator: "_", maxSplits: 1)
-            let numIdx = listSplit[listSplit.firstIndex(of: "fb") ?? 0]
+            let numIdx = listSplit[listSplit.firstIndex(where: { $0.contains("fb") }) ?? 0]
             indexTap = Int(String(numIdx).substring(from: 2, to: numIdx.count))!
             if listSplit.count == 2 {
                 app_id = String(listSplit[1])