diff --git a/apps/spreadsheeteditor/main/app/controller/Main.js b/apps/spreadsheeteditor/main/app/controller/Main.js
index f0cea524e..e5da80f55 100644
--- a/apps/spreadsheeteditor/main/app/controller/Main.js
+++ b/apps/spreadsheeteditor/main/app/controller/Main.js
@@ -1700,6 +1700,18 @@ define([
                         config.msg = this.errorLocationOrDataRangeError;
                         break;
 
+                    case Asc.c_oAscError.ID.UplDocumentSize:
+                        config.msg = this.uploadDocSizeMessage;
+                        break;
+
+                    case Asc.c_oAscError.ID.UplDocumentExt:
+                        config.msg = this.uploadDocExtMessage;
+                        break;
+
+                    case Asc.c_oAscError.ID.UplDocumentFileCount:
+                        config.msg = this.uploadDocFileCountMessage;
+                        break;
+                    
                     default:
                         config.msg = (typeof id == 'string') ? id : this.errorDefaultMessage.replace('%1', id);
                         break;
@@ -2975,7 +2987,10 @@ define([
             errorLang: 'The interface language is not loaded.<br>Please contact your Document Server administrator.',
             confirmReplaceFormulaInTable: 'Formulas in the header row will be removed and converted to static text.<br>Do you want to continue?',
             errorSingleColumnOrRowError: 'Location reference is not valid because the cells are not all in the same column or row.<br>Select cells that are all in a single column or row.',
-            errorLocationOrDataRangeError: 'The reference for the location or data range is not valid.'
+            errorLocationOrDataRangeError: 'The reference for the location or data range is not valid.',
+            uploadDocSizeMessage: 'Maximum document size limit exceeded.',
+            uploadDocExtMessage: 'Unknown document format.',
+            uploadDocFileCountMessage: 'No documents uploaded.'
         }
     })(), SSE.Controllers.Main || {}))
 });
diff --git a/apps/spreadsheeteditor/main/locale/en.json b/apps/spreadsheeteditor/main/locale/en.json
index 4ba84f1c2..9a318ba51 100644
--- a/apps/spreadsheeteditor/main/locale/en.json
+++ b/apps/spreadsheeteditor/main/locale/en.json
@@ -689,6 +689,9 @@
   "SSE.Controllers.Main.errorWrongBracketsCount": "An error in the entered formula.<br>Wrong number of brackets is used.",
   "SSE.Controllers.Main.errorWrongOperator": "An error in the entered formula. Wrong operator is used.<br>Please correct the error.",
   "SSE.Controllers.Main.errRemDuplicates": "Duplicate values found and deleted: {0}, unique values left: {1}.",
+  "SSE.Controllers.Main.uploadDocExtMessage": "Unknown document format.",
+  "SSE.Controllers.Main.uploadDocFileCountMessage": "No documents uploaded.",
+  "SSE.Controllers.Main.uploadDocSizeMessage": "Maximum document size limit exceeded.",
   "SSE.Controllers.Main.leavePageText": "You have unsaved changes in this spreadsheet. Click 'Stay on this Page' then 'Save' to save them. Click 'Leave this Page' to discard all the unsaved changes.",
   "SSE.Controllers.Main.leavePageTextOnClose": "All unsaved changes in this spreadsheet will be lost.<br> Click \"Cancel\" then \"Save\" to save them. Click \"OK\" to discard all the unsaved changes.",
   "SSE.Controllers.Main.loadFontsTextText": "Loading data...",