diff --git a/packages/nc-gui/composables/useData.ts b/packages/nc-gui/composables/useData.ts
index 6139ddd2a9..595099e069 100644
--- a/packages/nc-gui/composables/useData.ts
+++ b/packages/nc-gui/composables/useData.ts
@@ -550,10 +550,7 @@ export function useData(args: {
     try {
       const row = formattedData.value[rowIndex]
       if (!row.rowMeta.new) {
-        const id = meta?.value?.columns
-          ?.filter((c) => c.pk)
-          .map((c) => row.row[c.title!])
-          .join('___')
+        const id = extractPkFromRow(row.row, meta?.value?.columns)
 
         const fullRecord = await $api.dbTableRow.read(
           NOCO,
diff --git a/packages/nc-gui/composables/useKanbanViewStore.ts b/packages/nc-gui/composables/useKanbanViewStore.ts
index cf8e78cd2d..3195996dca 100644
--- a/packages/nc-gui/composables/useKanbanViewStore.ts
+++ b/packages/nc-gui/composables/useKanbanViewStore.ts
@@ -659,10 +659,7 @@ const [useProvideKanbanViewStore, useKanbanViewStore] = useInjectionState(
         }
 
         if (!row.rowMeta.new) {
-          const id = (meta?.value?.columns as ColumnType[])
-            ?.filter((c) => c.pk)
-            .map((c) => row.row[c.title!])
-            .join('___')
+          const id = extractPkFromRow(row.row, meta?.value?.columns)
 
           const deleted = await deleteRowById(id as string)
           if (!deleted) {
diff --git a/packages/nc-gui/composables/useLTARStore.ts b/packages/nc-gui/composables/useLTARStore.ts
index 5f13d2720a..74f54d9665 100644
--- a/packages/nc-gui/composables/useLTARStore.ts
+++ b/packages/nc-gui/composables/useLTARStore.ts
@@ -88,18 +88,10 @@ const [useProvideLTARStore, useLTARStore] = useInjectionState(
       return metas.value?.[colOptions.value?.fk_related_model_id as string]
     })
 
-    const rowId = computed(() =>
-      meta.value.columns
-        .filter((c: Required<ColumnType>) => c.pk)
-        .map((c: Required<ColumnType>) => row?.value?.row?.[c.title])
-        .join('___'),
-    )
+    const rowId = computed(() => extractPkFromRow(row.value.row, meta.value.columns))
 
     const getRelatedTableRowId = (row: Record<string, any>) => {
-      return relatedTableMeta.value?.columns
-        ?.filter((c) => c.pk)
-        .map((c) => row?.[c.title as string] ?? row?.[c.id as string])
-        .join('___')
+      return extractPkFromRow(row, relatedTableMeta.value?.columns)
     }
 
     // actions
diff --git a/packages/nc-gui/utils/dataUtils.ts b/packages/nc-gui/utils/dataUtils.ts
index bbe2a7369e..dc03cbb218 100644
--- a/packages/nc-gui/utils/dataUtils.ts
+++ b/packages/nc-gui/utils/dataUtils.ts
@@ -26,11 +26,13 @@ export const isValidValue = (val: unknown) => {
 export const extractPkFromRow = (row: Record<string, any>, columns: ColumnType[]) => {
   if (!row || !columns) return null
 
-  const pkColumns = columns.filter((c) => c.pk)
-
-  if (pkColumns.every((c) => row?.[c.title as string] === null || row?.[c.title as string] === undefined)) return null
-
-  return pkColumns.map((c) => row?.[c.title as string]).join('___')
+  const pkCols = columns.filter((c: Required<ColumnType>) => c.pk)
+  // if multiple pk columns, join them with ___ and escape _ in id values with \_ to avoid conflicts
+  if (pkCols.length > 1) {
+    return pkCols.map((c: Required<ColumnType>) => row?.[c.title]?.toString?.().replaceAll('_', '\\_') ?? null).join('___')
+  } else if (pkCols.length) {
+    return row?.[pkCols[0].title] ?? null
+  }
 }
 
 export const rowPkData = (row: Record<string, any>, columns: ColumnType[]) => {
diff --git a/packages/nocodb/src/db/BaseModelSqlv2.ts b/packages/nocodb/src/db/BaseModelSqlv2.ts
index dc4247f560..ce12efc89d 100644
--- a/packages/nocodb/src/db/BaseModelSqlv2.ts
+++ b/packages/nocodb/src/db/BaseModelSqlv2.ts
@@ -6517,7 +6517,11 @@ class BaseModelSqlv2 {
       for (const pk of this.model.primaryKeys) {
         pkValues[pk.title] = data[pk.title] ?? data[pk.column_name];
       }
-      return asString ? Object.values(pkValues).join('___') : pkValues;
+      return asString
+        ? Object.values(pkValues)
+            .map((val) => val?.toString?.().replaceAll('_', '\\_'))
+            .join('___')
+        : pkValues;
     } else if (this.model.primaryKey) {
       return (
         data[this.model.primaryKey.title] ??
@@ -10170,7 +10174,16 @@ export function _wherePk(
     return where;
   }
 
-  const ids = Array.isArray(id) ? id : (id + '').split('___');
+  let ids = id;
+
+  if (Array.isArray(id)) {
+    ids = id;
+  } else if (primaryKeys.length === 1) {
+    ids = [id];
+  } else {
+    ids = (id + '').split('___').map((val) => val.replaceAll('\\_', '_'));
+  }
+
   for (let i = 0; i < primaryKeys.length; ++i) {
     if (primaryKeys[i].dt === 'bytea') {
       // if column is bytea, then we need to encode the id to hex based on format
@@ -10216,7 +10229,16 @@ export function getCompositePkValue(primaryKeys: Column[], row) {
 
   if (typeof row !== 'object') return row;
 
-  return primaryKeys.map((c) => row[c.title] ?? row[c.column_name]).join('___');
+  if (primaryKeys.length > 1) {
+    return primaryKeys.map((c) =>
+      (row[c.title] ?? row[c.column_name])?.toString?.().replaceAll('_', '\\_'),
+    ).join('___');
+  }
+
+  return (
+    primaryKeys[0] &&
+    (row[primaryKeys[0].title] ?? row[primaryKeys[0].column_name])
+  );
 }
 
 export function haveFormulaColumn(columns: Column[]) {
diff --git a/packages/nocodb/src/helpers/catchError.ts b/packages/nocodb/src/helpers/catchError.ts
index 1cf89641b6..f32dc65cb6 100644
--- a/packages/nocodb/src/helpers/catchError.ts
+++ b/packages/nocodb/src/helpers/catchError.ts
@@ -795,22 +795,43 @@ export class NcError {
     id: string | string[] | Record<string, string> | Record<string, string>[],
     args?: NcErrorArgs,
   ) {
+    let formatedId: string | string[] = '';
     if (!id) {
-      id = 'unknown';
+      formatedId = 'unknown';
     } else if (typeof id === 'string') {
-      id = [id];
+      formatedId = [id];
     } else if (Array.isArray(id)) {
       if (id.every((i) => typeof i === 'string')) {
-        id = id as string[];
+        formatedId = id as string[];
       } else {
-        id = id.map((i) => Object.values(i).join('___'));
+        formatedId = id.map((val) => {
+          const idsArr = Object.values(val);
+          if (idsArr.length > 1) {
+            return idsArr
+              .map((idVal) => idVal?.toString?.().replaceAll('_', '\\_'))
+              .join('___');
+          } else if (idsArr.length) {
+            return idsArr[0] as any;
+          } else {
+            return 'unknown';
+          }
+        });
       }
     } else {
-      id = Object.values(id).join('___');
+      const idsArr = Object.values(id);
+      if (idsArr.length > 1) {
+        formatedId = idsArr
+          .map((idVal) => idVal?.toString?.().replaceAll('_', '\\_'))
+          .join('___');
+      } else if (idsArr.length) {
+        formatedId = idsArr[0] as any;
+      } else {
+        formatedId = 'unknown';
+      }
     }
 
     throw new NcBaseErrorv2(NcErrorType.RECORD_NOT_FOUND, {
-      params: id,
+      params: formatedId,
       ...args,
     });
   }
diff --git a/packages/nocodb/src/services/data-table.service.ts b/packages/nocodb/src/services/data-table.service.ts
index 7229885660..f3e09463d2 100644
--- a/packages/nocodb/src/services/data-table.service.ts
+++ b/packages/nocodb/src/services/data-table.service.ts
@@ -315,7 +315,11 @@ export class DataTableService {
       // if composite primary key then join the values with ___
       else
         pk = model.primaryKeys
-          .map((pk) => row[pk.title] ?? row[pk.column_name])
+          .map((pk) =>
+            (row[pk.title] ?? row[pk.column_name])
+              ?.toString?.()
+              ?.replaceAll('_', '\\_'),
+          )
           .join('___');
       // if duplicate then throw error
       if (keys.has(pk)) {