diff --git a/components/lib/autocomplete/AutoComplete.vue b/components/lib/autocomplete/AutoComplete.vue
index 7c6e80d52..7fe4e1064 100755
--- a/components/lib/autocomplete/AutoComplete.vue
+++ b/components/lib/autocomplete/AutoComplete.vue
@@ -772,7 +772,7 @@ export default {
             return this.$refs.dropdownButton ? event.target === this.$refs.dropdownButton || this.$refs.dropdownButton.$el.contains(event.target) : false;
         },
         isOptionMatched(option, value) {
-            return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.searchLocale) === value.toLocaleLowerCase(this.searchLocale);
+            return this.isValidOption(option) && this.getOptionLabel(option)?.toLocaleLowerCase(this.searchLocale) === value.toLocaleLowerCase(this.searchLocale);
         },
         isValidOption(option) {
             return ObjectUtils.isNotEmpty(option) && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
diff --git a/components/lib/cascadeselect/CascadeSelect.vue b/components/lib/cascadeselect/CascadeSelect.vue
index 8992fd0b4..52efcf321 100644
--- a/components/lib/cascadeselect/CascadeSelect.vue
+++ b/components/lib/cascadeselect/CascadeSelect.vue
@@ -543,7 +543,7 @@ export default {
             }
         },
         isOptionMatched(processedOption) {
-            return this.isValidOption(processedOption) && this.getProccessedOptionLabel(processedOption).toLocaleLowerCase(this.searchLocale).startsWith(this.searchValue.toLocaleLowerCase(this.searchLocale));
+            return this.isValidOption(processedOption) && this.getProccessedOptionLabel(processedOption)?.toLocaleLowerCase(this.searchLocale).startsWith(this.searchValue.toLocaleLowerCase(this.searchLocale));
         },
         isValidOption(processedOption) {
             return ObjectUtils.isNotEmpty(processedOption) && !this.isOptionDisabled(processedOption.option);
diff --git a/components/lib/contextmenu/ContextMenu.vue b/components/lib/contextmenu/ContextMenu.vue
index 7ed03f0a3..b475ed90d 100755
--- a/components/lib/contextmenu/ContextMenu.vue
+++ b/components/lib/contextmenu/ContextMenu.vue
@@ -450,7 +450,7 @@ export default {
             }
         },
         isItemMatched(processedItem) {
-            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem).toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
+            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem)?.toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
         },
         isValidItem(processedItem) {
             return !!processedItem && !this.isItemDisabled(processedItem.item) && !this.isItemSeparator(processedItem.item);
diff --git a/components/lib/dropdown/Dropdown.vue b/components/lib/dropdown/Dropdown.vue
index 6c74e0128..9088d1c14 100755
--- a/components/lib/dropdown/Dropdown.vue
+++ b/components/lib/dropdown/Dropdown.vue
@@ -760,7 +760,7 @@ export default {
             return DomHandler.getFocusableElements(this.overlay, ':not([data-p-hidden-focusable="true"])').length > 0;
         },
         isOptionMatched(option) {
-            return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
+            return this.isValidOption(option) && this.getOptionLabel(option)?.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
         },
         isValidOption(option) {
             return ObjectUtils.isNotEmpty(option) && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
diff --git a/components/lib/listbox/Listbox.vue b/components/lib/listbox/Listbox.vue
index 81de9724e..19c9417f0 100755
--- a/components/lib/listbox/Listbox.vue
+++ b/components/lib/listbox/Listbox.vue
@@ -509,7 +509,7 @@ export default {
             this.startRangeIndex = this.focusedOptionIndex;
         },
         isOptionMatched(option) {
-            return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
+            return this.isValidOption(option) && this.getOptionLabel(option)?.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
         },
         isValidOption(option) {
             return ObjectUtils.isNotEmpty(option) && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
diff --git a/components/lib/megamenu/MegaMenu.vue b/components/lib/megamenu/MegaMenu.vue
index ce3c8f31b..6dacbceeb 100755
--- a/components/lib/megamenu/MegaMenu.vue
+++ b/components/lib/megamenu/MegaMenu.vue
@@ -511,7 +511,7 @@ export default {
             }
         },
         isItemMatched(processedItem) {
-            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem).toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
+            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem)?.toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
         },
         isValidItem(processedItem) {
             return !!processedItem && !this.isItemDisabled(processedItem.item) && !this.isItemSeparator(processedItem.item);
diff --git a/components/lib/menubar/Menubar.vue b/components/lib/menubar/Menubar.vue
index e397c176f..19a21d094 100755
--- a/components/lib/menubar/Menubar.vue
+++ b/components/lib/menubar/Menubar.vue
@@ -484,7 +484,7 @@ export default {
             }
         },
         isItemMatched(processedItem) {
-            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem).toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
+            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem)?.toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
         },
         isValidItem(processedItem) {
             return !!processedItem && !this.isItemDisabled(processedItem.item) && !this.isItemSeparator(processedItem.item);
diff --git a/components/lib/multiselect/MultiSelect.vue b/components/lib/multiselect/MultiSelect.vue
index 33f09d784..3bc9c96c5 100755
--- a/components/lib/multiselect/MultiSelect.vue
+++ b/components/lib/multiselect/MultiSelect.vue
@@ -811,7 +811,7 @@ export default {
             return DomHandler.getFocusableElements(this.overlay, ':not([data-p-hidden-focusable="true"])').length > 0;
         },
         isOptionMatched(option) {
-            return this.isValidOption(option) && this.getOptionLabel(option).toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
+            return this.isValidOption(option) && this.getOptionLabel(option)?.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale));
         },
         isValidOption(option) {
             return ObjectUtils.isNotEmpty(option) && !(this.isOptionDisabled(option) || this.isOptionGroup(option));
diff --git a/components/lib/panelmenu/PanelMenuList.vue b/components/lib/panelmenu/PanelMenuList.vue
index 6f4faf8c5..881d925a1 100644
--- a/components/lib/panelmenu/PanelMenuList.vue
+++ b/components/lib/panelmenu/PanelMenuList.vue
@@ -231,7 +231,7 @@ export default {
             return panel && panel.contains(element);
         },
         isItemMatched(processedItem) {
-            return this.isValidItem(processedItem) && this.getItemLabel(processedItem).toLocaleLowerCase(this.searchLocale).startsWith(this.searchValue.toLocaleLowerCase(this.searchLocale));
+            return this.isValidItem(processedItem) && this.getItemLabel(processedItem)?.toLocaleLowerCase(this.searchLocale).startsWith(this.searchValue.toLocaleLowerCase(this.searchLocale));
         },
         isVisibleItem(processedItem) {
             return !!processedItem && (processedItem.level === 0 || this.isItemActive(processedItem)) && this.isItemVisible(processedItem);
diff --git a/components/lib/tieredmenu/TieredMenu.vue b/components/lib/tieredmenu/TieredMenu.vue
index 78b9660f0..c68b28d07 100755
--- a/components/lib/tieredmenu/TieredMenu.vue
+++ b/components/lib/tieredmenu/TieredMenu.vue
@@ -479,7 +479,7 @@ export default {
             }
         },
         isItemMatched(processedItem) {
-            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem).toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
+            return this.isValidItem(processedItem) && this.getProccessedItemLabel(processedItem)?.toLocaleLowerCase().startsWith(this.searchValue.toLocaleLowerCase());
         },
         isValidItem(processedItem) {
             return !!processedItem && !this.isItemDisabled(processedItem.item) && !this.isItemSeparator(processedItem.item);