diff --git a/components/MannschaftenUebersicht.vue b/components/MannschaftenUebersicht.vue
index 45f3ea9..9b9f055 100644
--- a/components/MannschaftenUebersicht.vue
+++ b/components/MannschaftenUebersicht.vue
@@ -107,15 +107,25 @@ import { Users } from 'lucide-vue-next'
 
 const mannschaften = ref([])
 
+async function fetchCsvText(url) {
+  const attempt = async () => {
+    const withBuster = `${url}${url.includes('?') ? '&' : '?'}_t=${Date.now()}`
+    const res = await fetch(withBuster, { cache: 'no-store' })
+    if (!res.ok) throw new Error(`HTTP error! status: ${res.status}`)
+    return await res.text()
+  }
+
+  try {
+    return await attempt()
+  } catch (_e) {
+    await new Promise(resolve => setTimeout(resolve, 150))
+    return await attempt()
+  }
+}
+
 const loadMannschaften = async () => {
   try {
-    const response = await fetch('/data/mannschaften.csv')
-    
-    if (!response.ok) {
-      throw new Error(`HTTP error! status: ${response.status}`)
-    }
-    
-    const csv = await response.text()
+    const csv = await fetchCsvText('/data/mannschaften.csv')
     
     // Vereinfachter CSV-Parser
     const lines = csv.split('\n').filter(line => line.trim() !== '')
diff --git a/components/Navigation.vue b/components/Navigation.vue
index 6f9d7c6..cbbf493 100644
--- a/components/Navigation.vue
+++ b/components/Navigation.vue
@@ -923,10 +923,22 @@ const toggleMobileSubmenu = (menu) => {
 
 const loadMannschaften = async () => {
   try {
-    const response = await fetch('/data/mannschaften.csv')
-    if (!response.ok) return
+    const attempt = async () => {
+      const url = `/data/mannschaften.csv?_t=${Date.now()}`
+      const response = await fetch(url, { cache: 'no-store' })
+      if (!response.ok) return null
+      return await response.text()
+    }
 
-    const csv = await response.text()
+    let csv = null
+    try {
+      csv = await attempt()
+    } catch (_e) {
+      // 1 Retry: hilft bei kurzen Restarts/Proxy-Resets (Firefox: NS_ERROR_NET_PARTIAL_TRANSFER)
+      await new Promise(resolve => setTimeout(resolve, 150))
+      csv = await attempt()
+    }
+    if (!csv) return
     const lines = csv.split('\n').filter(line => line.trim() !== '')
 
     if (lines.length < 2) return
diff --git a/pages/mannschaften/[slug].vue b/pages/mannschaften/[slug].vue
index eb5d6fe..7b2c113 100644
--- a/pages/mannschaften/[slug].vue
+++ b/pages/mannschaften/[slug].vue
@@ -140,12 +140,26 @@ import { Users } from 'lucide-vue-next'
 const route = useRoute()
 const mannschaft = ref(null)
 
+async function fetchCsvText(url) {
+  const attempt = async () => {
+    const withBuster = `${url}${url.includes('?') ? '&' : '?'}_t=${Date.now()}`
+    const res = await fetch(withBuster, { cache: 'no-store' })
+    if (!res.ok) return null
+    return await res.text()
+  }
+
+  try {
+    return await attempt()
+  } catch (_e) {
+    await new Promise(resolve => setTimeout(resolve, 150))
+    return await attempt()
+  }
+}
+
 const loadMannschaften = async () => {
   try {
-    const response = await fetch('/data/mannschaften.csv')
-    if (!response.ok) return
-    
-    const csv = await response.text()
+    const csv = await fetchCsvText('/data/mannschaften.csv')
+    if (!csv) return
     const lines = csv.split('\n').filter(line => line.trim() !== '')
     
     if (lines.length < 2) return
diff --git a/pages/mannschaften/spielplaene.vue b/pages/mannschaften/spielplaene.vue
index ef5d1e4..2a9c8b7 100644
--- a/pages/mannschaften/spielplaene.vue
+++ b/pages/mannschaften/spielplaene.vue
@@ -299,6 +299,23 @@ const selectedWettbewerb = ref('punktrunde')
 const filteredData = ref([])
 const mannschaften = ref([])
 
+async function fetchCsvText(url) {
+  const attempt = async () => {
+    const withBuster = `${url}${url.includes('?') ? '&' : '?'}_t=${Date.now()}`
+    const res = await fetch(withBuster, { cache: 'no-store' })
+    if (!res.ok) throw new Error(`HTTP error! status: ${res.status}`)
+    return await res.text()
+  }
+
+  try {
+    return await attempt()
+  } catch (_e) {
+    // 1 Retry: hilft bei kurzen Restarts/Proxy-Resets (Firefox: NS_ERROR_NET_PARTIAL_TRANSFER)
+    await new Promise(resolve => setTimeout(resolve, 150))
+    return await attempt()
+  }
+}
+
 const loadData = async () => {
   isLoading.value = true
   error.value = null
@@ -307,7 +324,7 @@ const loadData = async () => {
     // Lade Spielplandaten und Mannschaften parallel
     const [spielplanResponse, mannschaftenResponse] = await Promise.all([
       fetch('/api/spielplan'),
-      fetch('/data/mannschaften.csv')
+      fetchCsvText('/data/mannschaften.csv')
     ])
     
     // Spielplandaten verarbeiten
@@ -352,8 +369,8 @@ const loadData = async () => {
     }
     
     // Mannschaften aus CMS laden (manuell eingegebene Mannschaften)
-    if (mannschaftenResponse.ok) {
-      const csvText = await mannschaftenResponse.text()
+    if (mannschaftenResponse) {
+      const csvText = mannschaftenResponse
       const lines = csvText.split('\n').filter(line => line.trim() !== '')
       
       if (lines.length > 1) {