diff --git a/packages/nc-gui/components/cell/MultiSelect.vue b/packages/nc-gui/components/cell/MultiSelect.vue
index 508cb7509e..d02db8decc 100644
--- a/packages/nc-gui/components/cell/MultiSelect.vue
+++ b/packages/nc-gui/components/cell/MultiSelect.vue
@@ -132,9 +132,13 @@ const vModel = computed({
 
 const selectedTitles = computed(() =>
   modelValue
-    ? typeof modelValue === 'string'
-      ? isMysql(column.value.source_id)
-        ? modelValue.split(',').sort((a, b) => {
+    ? Array.isArray(modelValue)
+      ? modelValue
+      : isMysql(column.value.source_id)
+      ? modelValue
+          .toString()
+          .split(',')
+          .sort((a, b) => {
             const opa = options.value.find((el) => el.title === a)
             const opb = options.value.find((el) => el.title === b)
             if (opa && opb) {
@@ -142,8 +146,7 @@ const selectedTitles = computed(() =>
             }
             return 0
           })
-        : modelValue.split(',')
-      : modelValue
+      : modelValue.toString().split(',')
     : [],
 )
 
diff --git a/packages/nc-gui/components/smartsheet/column/SelectOptions.vue b/packages/nc-gui/components/smartsheet/column/SelectOptions.vue
index ade13be2f2..904dee1c24 100644
--- a/packages/nc-gui/components/smartsheet/column/SelectOptions.vue
+++ b/packages/nc-gui/components/smartsheet/column/SelectOptions.vue
@@ -113,7 +113,7 @@ onMounted(() => {
     op.title = op.title.replace(/^'/, '').replace(/'$/, '')
   }
 
-  if (vModel.value.cdf) {
+  if (vModel.value.cdf && typeof vModel.value.cdf === 'string') {
     const fndDefaultOption = options.value.find((el) => el.title === vModel.value.cdf)
     if (!fndDefaultOption) {
       vModel.value.cdf = vModel.value.cdf.replace(/^'/, '').replace(/'$/, '')
@@ -249,7 +249,7 @@ const undoRemoveRenderedOption = (index: number) => {
 
 // Removes the Select Option from cdf if the option is removed
 watch(vModel.value, (next) => {
-  const cdfs = (next.cdf ?? '').split(',')
+  const cdfs = (next.cdf ?? '').toString().split(',')
   const values = (next.colOptions.options ?? []).map((col) => {
     return col.title.replace(/^'/, '').replace(/'$/, '')
   })
diff --git a/packages/nocodb-sdk/src/lib/sqlUi/MysqlUi.ts b/packages/nocodb-sdk/src/lib/sqlUi/MysqlUi.ts
index d8ac043d45..b6c5ca0199 100644
--- a/packages/nocodb-sdk/src/lib/sqlUi/MysqlUi.ts
+++ b/packages/nocodb-sdk/src/lib/sqlUi/MysqlUi.ts
@@ -987,7 +987,7 @@ export class MysqlUi {
         colProp.dt = 'set';
         if (
           col.colOptions?.options.length > 64 ||
-          col.dtxp?.split(',').length > 64
+          col.dtxp?.toString?.()?.split(',').length > 64
         ) {
           colProp.dt = 'text';
         }