diff --git a/core/client.js b/core/client.js
index cb1bfed..5c6d9df 100644
--- a/core/client.js
+++ b/core/client.js
@@ -39,7 +39,7 @@ socket.addEventListener('message', (event) => {
 
     // Configuration and translation
     switchTheme.checked = message.config.themeDark
-    buttonClose.title = translateElements.home.close
+    buttonClose.title = translateElements.home.close || 'n/a'
     textVersion.textContent = message.config.version
     if (message.config.version !== 'Error' && message.config.versionRelease !== 'Error' && compareVersions(message.config.version, message.config.versionRelease) === 1) {
       const link = document.createElement('a')
@@ -48,12 +48,12 @@ socket.addEventListener('message', (event) => {
       link.id = 'link-newVersion'
       const button = document.createElement('button')
       button.className = 'button-versionRelease'
-      button.title = translateElements.home.newVersionTitle
-      button.textContent = translateElements.home.newVersion + message.config.versionRelease
+      button.title = translateElements.home.newVersionTitle || 'n/a'
+      button.textContent = (translateElements.home.newVersion || 'n/a') + (message.config.versionRelease || 'n/a')
       link.appendChild(button)
       leftButtons.appendChild(link)
     }
-    buttonWiki.title = translateElements.home.wiki
+    buttonWiki.title = translateElements.home.wiki || 'n/a'
     if (message.config.themeDark) {
       document.body.classList.remove('light-theme')
       document.body.classList.add('dark-theme')
@@ -76,11 +76,11 @@ socket.addEventListener('message', (event) => {
       ? message.config.lang
       : 'en'
 
-    titleCrono.textContent = translateElements.home.cronoTitle
-    titleCdown.textContent = translateElements.home.cdownTitle
-    titleCdowntime.textContent = translateElements.home.cdowntimeTitle
-    titleExtensible.textContent = translateElements.home.extensibleTitle
-    titleTime.textContent = translateElements.home.timeTitle
+    titleCrono.textContent = translateElements.home.cronoTitle || 'n/a'
+    titleCdown.textContent = translateElements.home.cdownTitle || 'n/a'
+    titleCdowntime.textContent = translateElements.home.cdowntimeTitle || 'n/a'
+    titleExtensible.textContent = translateElements.home.extensibleTitle || 'n/a'
+    titleTime.textContent = translateElements.home.timeTitle || 'n/a'
 
     if (elementVariables && typeof elementVariables === 'object') {
       // console.log('Variables loaded from the server.')
@@ -148,7 +148,7 @@ buttonContainer.addEventListener('click', (event) => {
         copyTextToClipboard(copyText)
 
         // Display a notification message
-        showNotification(translateElements.home.notycopy, button)
+        showNotification(translateElements.home.notycopy || 'n/a', button)
       }
     } else if (data[1] === 'copyButtonCrono') {
       // Get the text to copy from the "data-copy-text" attribute
@@ -158,7 +158,7 @@ buttonContainer.addEventListener('click', (event) => {
         copyTextToClipboard(copyText)
 
         // Display a notification message
-        showNotification(translateElements.home.notycopy, button)
+        showNotification(translateElements.home.notycopy || 'n/a', button)
       }
     } else if (data[1] === 'copyButtonCdown') {
       // Get the text to copy from the "data-copy-text" attribute
@@ -168,7 +168,7 @@ buttonContainer.addEventListener('click', (event) => {
         copyTextToClipboard(copyText)
 
         // Display a notification message
-        showNotification(translateElements.home.notycopy, button)
+        showNotification(translateElements.home.notycopy || 'n/a', button)
       }
     } else if (data[1] === 'removeButton') {
       socket.send(JSON.stringify({ action: 'removeData', remove: data[0] }))
diff --git a/core/template/cdown/control/control.js b/core/template/cdown/control/control.js
index 13ac834..61ccf72 100644
--- a/core/template/cdown/control/control.js
+++ b/core/template/cdown/control/control.js
@@ -82,8 +82,8 @@ socket.addEventListener('message', (event) => {
         ? message.config.lang
         : 'en'
 
-      controlButton.textContent = translateElements.timer.buttons.start
-      resetButton.textContent = translateElements.timer.buttons.reset
+      controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
+      resetButton.textContent = translateElements.timer.buttons.reset || 'n/a'
 
       if (elementVariables && typeof elementVariables === 'object') {
         checkTextTime = MsToText(elementVariables.textMilliseconds)
@@ -101,7 +101,7 @@ socket.addEventListener('message', (event) => {
         // Perform necessary actions with the variables here
         textMsg.textContent = elementVariables.msgEnd
         if (elementVariables.msgEnd === '') {
-          textMsg.textContent = translateElements.timer.phMsgEnd
+          textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
           textMsg.style.color = '#555'
         } else { textMsg.style.color = '#000' }
         timeText.value = MsToText(elementVariables.textMilliseconds)
@@ -122,7 +122,7 @@ socket.addEventListener('message', (event) => {
       if (message[classElement].status !== 'started') {
         textMsg.textContent = message[classElement].msgEnd
         if (message[classElement].msgEnd === '') {
-          textMsg.textContent = translateElements.timer.phMsgEnd
+          textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
           textMsg.style.color = '#555'
         } else { textMsg.style.color = '#000' }
         timeText.value = MsToText(message[classElement].textMilliseconds)
@@ -157,7 +157,7 @@ selectorLang.addEventListener('change', () => {
 })
 
 controlButton.addEventListener('click', () => {
-  if (controlButton.textContent === translateElements.timer.buttons.start) {
+  if (controlButton.textContent === translateElements.timer.buttons.start || 'n/a') {
     socket.send(JSON.stringify({ action: 'startTimer', classElement }))
   } else {
     socket.send(JSON.stringify({ action: 'pauseCdown', classElement }))
@@ -218,7 +218,7 @@ subContainer.addEventListener('click', (event) => {
 })
 
 textMsg.addEventListener('focus', () => {
-  if (textMsg.textContent === translateElements.timer.phMsgEnd) {
+  if (textMsg.textContent === translateElements.timer.phMsgEnd || 'n/a') {
     textMsg.textContent = ''
     textMsg.style.color = '#000'
   }
@@ -227,7 +227,7 @@ textMsg.addEventListener('focus', () => {
 textMsg.addEventListener('blur', () => {
   socket.send(JSON.stringify({ action: 'editMsg', msg: textMsg.textContent, classElement }))
   if (textMsg.textContent === '') {
-    textMsg.textContent = translateElements.timer.phMsgEnd
+    textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
     textMsg.style.color = '#555'
   } else { textMsg.style.color = '#000' }
 })
@@ -328,9 +328,9 @@ function updateControlButton (status) {
   controlButton.style.width = maxWidth
 
   if (status === 'started') {
-    controlButton.textContent = translateElements.timer.buttons.pause
+    controlButton.textContent = translateElements.timer.buttons.pause || 'n/a'
   } else {
-    controlButton.textContent = translateElements.timer.buttons.start
+    controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
   }
 }
 
@@ -338,7 +338,7 @@ function getMaxButtonWidth () {
   const widths = []
 
   Object.keys(translateElements.timer.buttons).forEach((value) => {
-    controlButton.textContent = translateElements.timer.buttons[value]
+    controlButton.textContent = translateElements.timer.buttons[value] || 'n/a'
     widths.push(parseFloat(window.getComputedStyle(controlButton).getPropertyValue('width')))
   })
   // Get the maximum of the two widths
diff --git a/core/template/cdowntime/control/control.js b/core/template/cdowntime/control/control.js
index 621070f..042eaa5 100644
--- a/core/template/cdowntime/control/control.js
+++ b/core/template/cdowntime/control/control.js
@@ -107,7 +107,7 @@ socket.addEventListener('message', (event) => {
         // Perform necessary actions with the variables here
         textMsg.textContent = elementVariables.msgEnd
         if (elementVariables.msgEnd === '') {
-          textMsg.textContent = translateElements.timer.phMsgEnd
+          textMsg.textContent = translateElements.timer.phMsgEnd  || 'n/a'
           textMsg.style.color = '#555'
         } else { textMsg.style.color = '#000' }
         timeData.value = new Date(elementVariables.endDatetime).toLocaleString('en-CA', { timeZone: elementVariables.timezone, hour12: false }).replace(/,\s/, 'T')
@@ -189,7 +189,7 @@ subContainer.addEventListener('click', (event) => {
 })
 
 textMsg.addEventListener('focus', () => {
-  if (textMsg.textContent === translateElements.timer.phMsgEnd) {
+  if (textMsg.textContent === translateElements.timer.phMsgEnd || 'n/a') {
     textMsg.textContent = ''
     textMsg.style.color = '#000'
   }
@@ -198,7 +198,7 @@ textMsg.addEventListener('focus', () => {
 textMsg.addEventListener('blur', () => {
   socket.send(JSON.stringify({ action: 'editMsg', msg: textMsg.textContent, classElement }))
   if (textMsg.textContent === '') {
-    textMsg.textContent = translateElements.timer.phMsgEnd
+    textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
     textMsg.style.color = '#555'
   } else { textMsg.style.color = '#000' }
 })
diff --git a/core/template/crono/control/control.js b/core/template/crono/control/control.js
index ea78d3f..ac832e3 100644
--- a/core/template/crono/control/control.js
+++ b/core/template/crono/control/control.js
@@ -80,8 +80,8 @@ socket.addEventListener('message', (event) => {
         ? message.config.lang
         : 'en'
 
-      controlButton.textContent = translateElements.timer.buttons.start
-      resetButton.textContent = translateElements.timer.buttons.reset
+      controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
+      resetButton.textContent = translateElements.timer.buttons.reset || 'n/a'
 
       if (elementVariables && typeof elementVariables === 'object') {
         checkHexColor = elementVariables.colorText
@@ -139,7 +139,7 @@ languageSelector.addEventListener('change', () => {
 })
 
 controlButton.addEventListener('click', () => {
-  if (controlButton.textContent === translateElements.timer.buttons.start) {
+  if (controlButton.textContent === translateElements.timer.buttons.start || 'n/a') {
     socket.send(JSON.stringify({ action: 'startTimer', classElement }))
   } else {
     socket.send(JSON.stringify({ action: 'pauseCrono', classElement }))
@@ -265,9 +265,9 @@ function updateControlButton (status) {
   controlButton.style.width = maxWidth
 
   if (status === 'started') {
-    controlButton.textContent = translateElements.timer.buttons.pause
+    controlButton.textContent = translateElements.timer.buttons.pause || 'n/a'
   } else {
-    controlButton.textContent = translateElements.timer.buttons.start
+    controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
   }
 }
 
@@ -275,7 +275,7 @@ function getMaxButtonWidth () {
   const widths = []
 
   Object.keys(translateElements.timer.buttons).forEach((value) => {
-    controlButton.textContent = translateElements.timer.buttons[value]
+    controlButton.textContent = translateElements.timer.buttons[value] || 'n/a'
     widths.push(parseFloat(window.getComputedStyle(controlButton).getPropertyValue('width')))
   })
 
diff --git a/core/template/extensible/control/control.js b/core/template/extensible/control/control.js
index a147b05..a9e277d 100644
--- a/core/template/extensible/control/control.js
+++ b/core/template/extensible/control/control.js
@@ -87,10 +87,10 @@ socket.addEventListener('message', (event) => {
         ? message.config.lang
         : 'en'
 
-      controlButton.textContent = translateElements.timer.buttons.start
-      resetButton.textContent = translateElements.timer.buttons.reset
-      checkboxLabelStopAdd.textContent = translateElements.timer.enableStopAdd
-      checkboxLabelPauseAdd.textContent = translateElements.timer.enablePauseAdd
+      controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
+      resetButton.textContent = translateElements.timer.buttons.reset || 'n/a'
+      checkboxLabelStopAdd.textContent = translateElements.timer.enableStopAdd || 'n/a'
+      checkboxLabelPauseAdd.textContent = translateElements.timer.enablePauseAdd || 'n/a'
 
       if (elementVariables && typeof elementVariables === 'object') {
         checkTextTime = MsToText(elementVariables.textMilliseconds)
@@ -116,7 +116,7 @@ socket.addEventListener('message', (event) => {
         // Perform necessary actions with the variables here
         textMsg.textContent = elementVariables.msgEnd
         if (elementVariables.msgEnd === '') {
-          textMsg.textContent = translateElements.timer.phMsgEnd
+          textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
           textMsg.style.color = '#555'
         } else { textMsg.style.color = '#000' }
         timeText.value = MsToText(elementVariables.textMilliseconds)
@@ -140,7 +140,7 @@ socket.addEventListener('message', (event) => {
       if (message[classElement].status !== 'started') {
         textMsg.textContent = message[classElement].msgEnd
         if (message[classElement].msgEnd === '') {
-          textMsg.textContent = translateElements.timer.phMsgEnd
+          textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
           textMsg.style.color = '#555'
         } else { textMsg.style.color = '#000' }
         timeText.value = MsToText(message[classElement].textMilliseconds)
@@ -179,7 +179,7 @@ selectorLang.addEventListener('change', () => {
 })
 
 controlButton.addEventListener('click', () => {
-  if (controlButton.textContent === translateElements.timer.buttons.start) {
+  if (controlButton.textContent === translateElements.timer.buttons.start || 'n/a') {
     socket.send(JSON.stringify({ action: 'startTimer', classElement }))
   } else {
     socket.send(JSON.stringify({ action: 'pauseExtensible', classElement }))
@@ -248,7 +248,7 @@ checkboxPauseAdd.addEventListener('change', () => {
 })
 
 textMsg.addEventListener('focus', () => {
-  if (textMsg.textContent === translateElements.timer.phMsgEnd) {
+  if (textMsg.textContent === translateElements.timer.phMsgEnd || 'n/a') {
     textMsg.textContent = ''
     textMsg.style.color = '#000'
   }
@@ -257,7 +257,7 @@ textMsg.addEventListener('focus', () => {
 textMsg.addEventListener('blur', () => {
   socket.send(JSON.stringify({ action: 'editMsg', msg: textMsg.textContent, classElement }))
   if (textMsg.textContent === '') {
-    textMsg.textContent = translateElements.timer.phMsgEnd
+    textMsg.textContent = translateElements.timer.phMsgEnd || 'n/a'
     textMsg.style.color = '#555'
   } else { textMsg.style.color = '#000' }
 })
@@ -362,9 +362,9 @@ function updateControlButton (status) {
   controlButton.style.width = maxWidth
 
   if (status === 'started') {
-    controlButton.textContent = translateElements.timer.buttons.pause
+    controlButton.textContent = translateElements.timer.buttons.pause || 'n/a'
   } else {
-    controlButton.textContent = translateElements.timer.buttons.start
+    controlButton.textContent = translateElements.timer.buttons.start || 'n/a'
   }
 }
 
@@ -372,7 +372,7 @@ function getMaxButtonWidth () {
   const widths = []
 
   Object.keys(translateElements.timer.buttons).forEach((value) => {
-    controlButton.textContent = translateElements.timer.buttons[value]
+    controlButton.textContent = translateElements.timer.buttons[value]  || 'n/a'
     widths.push(parseFloat(window.getComputedStyle(controlButton).getPropertyValue('width')))
   })
   // Get the maximum of the two widths