diff --git a/src/components/Discover/Conformance/ConformanceResults.vue b/src/components/Discover/Conformance/ConformanceResults.vue
index 5bdf23d..9aa14bd 100644
--- a/src/components/Discover/Conformance/ConformanceResults.vue
+++ b/src/components/Discover/Conformance/ConformanceResults.vue
@@ -525,13 +525,14 @@ const openMore = async (no) => {
   // Use async/await to prevent errors caused by asynchronous data not being available yet
   issuesNo.value = no;
   await conformanceStore.getConformanceIssue(no);
-  traceId.value = await issueTraces.value[0].id;
+  if (issueTraces.value.length === 0) return;
+  traceId.value = issueTraces.value[0].id;
   firstCases.value = await conformanceStore.getConformanceTraceDetail(
     no,
     issueTraces.value[0].id,
     0,
   );
-  issuesModal.value = await true;
+  issuesModal.value = true;
 };
 
 /**
@@ -542,13 +543,14 @@ const openLoopMore = async (no) => {
   // Use async/await to prevent errors caused by asynchronous data not being available yet
   loopNo.value = no;
   await conformanceStore.getConformanceLoop(no);
-  looptraceId.value = await loopTraces.value[0].id;
+  if (loopTraces.value.length === 0) return;
+  looptraceId.value = loopTraces.value[0].id;
   loopFirstCases.value = await conformanceStore.getConformanceLoopsTraceDetail(
     no,
     loopTraces.value[0].id,
     0,
   );
-  loopModal.value = await true;
+  loopModal.value = true;
 };
 
 /**
diff --git a/src/stores/cytoscapeStore.ts b/src/stores/cytoscapeStore.ts
index d75a756..470d54a 100644
--- a/src/stores/cytoscapeStore.ts
+++ b/src/stores/cytoscapeStore.ts
@@ -73,11 +73,17 @@ export const useCytoscapeStore = defineStore('cytoscapeStore', {
      * @param {string} direction - Layout direction ('TB' or 'LR').
      */
     loadPositionsFromStorage(direction: string) {
-      if (localStorage.getItem(SAVE_KEY_NAME) &&
-        JSON.parse(
-          localStorage.getItem(SAVE_KEY_NAME))[this.currentGraphId]) {
-        this.nodePositions[this.currentGraphId][direction] = JSON.parse(
-          localStorage.getItem(SAVE_KEY_NAME))[this.currentGraphId][direction];
+      try {
+        const raw = localStorage.getItem(SAVE_KEY_NAME);
+        if (raw) {
+          const parsed = JSON.parse(raw);
+          if (parsed[this.currentGraphId]) {
+            this.nodePositions[this.currentGraphId][direction] =
+              parsed[this.currentGraphId][direction];
+          }
+        }
+      } catch {
+        // Corrupted localStorage data; ignore and use defaults
       }
     },
     /**
diff --git a/src/stores/files.ts b/src/stores/files.ts
index 20dc478..009e841 100644
--- a/src/stores/files.ts
+++ b/src/stores/files.ts
@@ -174,8 +174,10 @@ export const useFilesStore = defineStore("filesStore", {
           // msg: 'not in UTF-8' | 'insufficient columns' | 'the csv file is empty' | 'the filename does not ends with .csv'
           // type: 'encoding' | 'insufficient_columns' | 'empty' | 'name_suffix'
           const detail = error.response.data.detail;
-
-          uploadFailedFirst(detail[0].type, detail[0].msg, detail[0].loc[2]);
+          if (Array.isArray(detail) && detail.length > 0) {
+            const loc = detail[0].loc;
+            uploadFailedFirst(detail[0].type, detail[0].msg, Array.isArray(loc) && loc.length > 2 ? loc[2] : undefined);
+          }
         } else {
           Swal.close(); // Close the loading progress bar
           apiError(error, "Failed to upload the files.");
diff --git a/src/stores/mapPathStore.ts b/src/stores/mapPathStore.ts
index 3358a34..d65a406 100644
--- a/src/stores/mapPathStore.ts
+++ b/src/stores/mapPathStore.ts
@@ -192,7 +192,7 @@ export const useMapPathStore = defineStore('mapPathStore', {
       if (listIndex >= curButton.length) { // Bounds check to prevent out-of-range access
         return; // nodeIndex is the path index in the list after selecting one of the five buttons
       }
-      if (nodeIndex >= curButton[listIndex]) { // Bounds check to prevent out-of-range access
+      if (nodeIndex >= curButton[listIndex].length) { // Bounds check to prevent out-of-range access
         return; // The node index within this path in the list
       }
       // If `curPath` and `curButton[listIndex]` fully match