dynamsoft-docs · Ellie-dynamsoft · Feb 26, 2026 · Feb 26, 2026
diff --git a/_articles/info/api/appendix.md b/_articles/info/api/appendix.md
@@ -50,19 +50,15 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-1090 | BMP format error or not supported |
 |-1100 | PNG format error or not supported |
 |-1110 | Unrecognized file extension |
+|-1119 | This PDF file is not supported by the Core module. You may need to activate your PDF Rasterizer license to support this PDF file. Please contact support for further information. |
 |-1126 | The specified module could not be found. |
 |-1200 | PDF format error or not supported |
-|-2000 | Can not initiate the internet session |
-|-2001 | HTTP request error |
-|-2002 | HTTP server error |
-|-2003 | HTTP process: Description (Status Code) |
-|-2004 | FTP download file is too large |
-|-2007 | The system is busy, some operations are not completed. Please try later |
 |-2137 | Cross-Origin Resource Sharing (CORS) policy is blocking the access. Please contact the Administrator to configure 'Access-Control-Allow-Origin'.|
-|-2120 | There must be at least one OCR result. \| No detection model found in local. \| No recognition model found in local.  |
 |-2207 | The Dynamic Web TWAIN Service installed on your computer is outdated and no longer works with the JavaScript code on the website |
 |-2208 | The connection with the local Dynamic Web TWAIN Service encountered a problem and has been reset |
 |-2209 | The HTML5 (Chrome&Firefox) edition does not support this method or property |
+|-2210 | You cannot call this method on this WebTwain instance because it does not use the default viewer. |
+|-2211 | The element is already bound to the viewer. |
 |-2217 | Missing dependent files for OCR Kit.  |
 |-2300 | Http upload error: the HTTP Server cannot empty |
 |-2301 | Network error |
@@ -87,19 +83,12 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-2320 | Invalid file |
 |-2321 | The Enumerations is out of range |
 |-2322 | The left or top or right or bottom you entered is invalid |
-|-2325 | The current product key is empty or invalid, please contact the site administrator |
-|-2326 | The current product key has expired, please contact the site administrator |
+|-2325 | The license is invalid. \| The current product key is empty or invalid. |
+|-2326 | The Dynamic Web TWAIN license expired${sDate}. Please contact the website developer for further assistance. \| The document scanning SDK license expired${sDate}. Please contact the website developer for further assistance. \| The Dynamic Web TWAIN product key expired${sDate}. Please contact the website developer for further assistance. \| The document scanning SDK product key expired${sDate}. Please contact the website developer for further assistance. |
 |-2327 | The current product key does not support Chrome, please contact the site administrator |
 |-2328 | The current product key does not support Firefox, please contact the site administrator |
 |-2329 | The current product key does not support IE, please contact the site administrator |
 |-2330 | The current product key does not support Edge, please contact the site administrator |
-|-2331 | The current product key is a trial version key but your local Dynamic Web TWAIN Service is in full version, please uninstall your local version first and access this page again to install the correct version. If the issue persists, please contact the site administrator |
-|-2332 | The current product key is a full version key but your local Dynamic Web TWAIN Service is in trial version, please uninstall your local version first and access this page again to install the correct version. If the issue persists, please contact the site administrator |
-|-2333 | The current product key is missing the core license, please contact the site administrator |
-|-2334 | The current product key does not include a license for reading 1D barcode, please contact the site administrator |
-|-2335 | The current product key does not include a license for reading QRcode barcode, please contact the site administrator |
-|-2336 | The current product key does not include a license for reading PDF417 barcode, please contact the site administrator |
-|-2337 | The current product key does not include a license for reading DataMatrix barcode, please contact the site administrator |
 |-2338 | The current product key does not support Webcam, please contact the site administrator |
 |-2339 | The current product key does not support pdf rasterizer, please contact the site administrator |
 |-2340 | The license for the module OCR Kit is not found or has expired. |
@@ -124,21 +113,92 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-2360 | The Enumerations is null or undefined |
 |-2361 | You cannot convert more than one image to base64 string when the format is BMP, JPG or PNG |
 |-2362 | Convert to base64 failed |
+|-2363 | The data format is not supported. |
+|-2365 | The url is invalid. |
+|-2366 | Converting images to a base64 string failed. |
 |-2367 | Invalid value for the parameter segmentUploadThreshold |
 |-2368 | Invalid value for the parameter moduleSize |
 |-2369 | The module for Dynamic Web TWAIN has failed to download |
 |-2370 | The current product key is invalid, please contact the site administrator |
 |-2372 | You cannot convert more than one image to binary when the format is BMP, JPG or PNG |
+|-2375 | The left or top or right or bottom you entered is invalid. |
+|-2376 | The generate url failed. |
+|-2377 | Failed to set Image Capture Driver Type. |
+|-2378 | Invalid value for the tiff tag code. |
+|-2380 | Please make sure the Uploader Module has been installed. |
+|-2381 | scanSetup is invalid. |
+|-2382 | Scanner setup error: Invalid Transfer Mode. |
+|-2383 | Scanner setup error: fileXfer is invalid. |
+|-2384 | Scanner setup error: Invalid fileName in fileXfer. |
+|-2385 | Scanner setup error: Invalid fileFormat in fileXfer. |
+|-2386 | Output setup error: Invalid httpParams in outputSetup. |
+|-2387 | Output setup error: Invalid type in outputSetup. |
+|-2388 | Output setup error: Invalid url in outputSetup.httpParams. |
+|-2389 | Output setup error: Invalid fileName in outputSetup.httpParams. |
+|-2390 | Output setup error: Invalid format in outputSetup. |
+|-2391 | Invalid event name. |
+|-2392 | The current product key does not support Safari. Please contact the site administrator. |
+|-2393 | Failed to convert the data to blob. |
+|-2394 | Invalid tag name. |
 |-2395 | The module for Dynamic Web TWAIN failed to download.|
+|-2396 | The current product key is invalid. Please contact the site administrator. |
+|-2397 | API + " doesn't work under current settings." |
 |-2399 | Invalid imageId.|
+|-2400 | API + " doesn't work under current settings." |
+|-2401 | Failed to load image: XXX |
+|-2416 | Invalid parameter. |
+|-2417 | The left or top or right or bottom you entered is invalid. |
+|-2418 | The width you entered is invalid. |
+|-2419 | The height you entered is invalid. |
+|-2420 | The width or height is out of image size. |
+|-2423 | The index is invalid. |
+|-2426 | You have used a full license with a trial license which is not permitted. Please check and update Dynamsoft.DWT.ProductKey. |
+|-2428 | Tiff tag count has exceeded the limit. |
+|-2429 | The method SelectSource() must be invoked asynchronously (i.e. with callback functions) when ImageCaptureDriverType is set to TWAIN_AND_ICA or TWAIN_AND_TWAIN64. |
+|-2432 | Operation in progress, please try again when the current operation has finished. |
+|-2436 | Mixed Content: The page at "' + url + '" was loaded over HTTPS, but requested an insecure resource "' + serverUrl + '/ddm/18625/ddm/SearchScanner". This request has been blocked; the content must be served over HTTPS. |
+|-2438 | SelectSource cannot be used synchronously when Object is created by CreateRemoteScanObjectAsync. Please use SelectSourceAsync instead. |
+|-2439 | You cannot call the method bindViewer() when Dynamsoft.DWT.UseDefaultViewer is set to false. |
+|-2444 | A license can only be specified once and has already been set using the ProductKey API. |
+|-2500 | An ImageEditor already exists. |
+|-2501 | A ThumbnailViewer already exists. |
+|-2502 | A CustomElement already exists. |
+|-2504 | The ImageEditor object has been disposed. |
+|-2505 | This ThumbnailViewer doesn't exist. |
+|-2506 | The ThumbnailViewer object has been disposed. |
+|-2507 | This CustomElement doesn't exist. |
+|-2508 | The CustomElement object has been disposed. |
+|-2510 | The callback is not a function. |
+|-2511 | Parameter 'element' is required. |
+|-2512 | Parameter 'element' doesn't instanceof HTMLDivElement. |
+|-2513 | The WebTwain instance has been destroyed and can not be used anymore. |
+|-2514 | Invalid property value. |
+|-2517 | Old tag name is required. |
+|-2518 | New tag name is required. |
+|-2519 | The current mode does not support setting the cursor to zoom. |
+|-2530 | Document name cannot be empty. |
+|-2531 | Document name is not a string. |
+|-2539 | The current product key is not for version ${currentVer}. Please contact the site administrator. |
+|-2540 | The document does not exist. |
+|-2541 | The document already exists. |
+|-2543 | You are using two different generations of Dynamsoft licenses. Please check the "Dynamsoft.DWT.ProductKey" specified in your application. |
+|-2546 | The license is invalid. |
+|-2548 | You cannot call this function when Dynamsoft.DWT.UseDefaultViewer is set to false. |
+|-2549 | You cannot call this function when there is no ui binding. |
 |-2612 | The devices must be an Array. |
+|-2613 | The Dynamic Web TWAIN Service on ${serviceName} has been stopped. |
 |-2614 | The Dynamic Web TWAIN Service has been restarted. |
 |-2615 | User cancelled the operation. |
 |-2616 | Invalid image format type. |
 |-2618 | Only single index selection is allowed when enumImageType is set to BMP, JPG or PNG. |
 |-2619 | Only single index selection is allowed when enumImageFormatType is set to url. |
+|-2620 | The RemoteScan object has been disposed. |
 |-2621 | Dynamsoft.DWT.Containers was not set. |
 |-2622 | Please do not set enumImageType to "IT_MULTIPAGE_PDF", "IT_MULTIPAGE_TIF" or "IT_ALL". |
+|-2623 | Saving multiple images is not allowable when the selected output format is BMP, JPG or PNG. |
+|-2624 | The element within Dynamsoft.DWT.Containers should be a valid object. |
+|-2625 | Error: The WebTwainId cannot be empty string while creating a Dynamic Web TWAIN object. |
+|-2626 | Error: The ContainerId cannot be empty string while creating a Dynamic Web TWAIN object. |
 |-2701 | The OCR Kit feature is only supported on x64 versions of Windows.  |
 |-2800 | Please make sure the Dynamic Web TWAIN Service has been installed. |
 |-2801 | Invalid response data was returned from the Dynamic Web TWAIN Service. |
@@ -148,10 +208,14 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-2805 | Error: The "WebTwainId" is not a string. |
 |-2806 | Error: The argument passed to the parameter "containerId" is not a string. |
 |-2807 | Error: The element specified by the id XXX doesn't exist. |
+|-2808 | The license for v' + majorVersion + ' Service Core Module has expired. |
+|-2809 | The license for v' + majorVersion + ' Service Core Module is not found. |
+|-2810 | The product key for the current operating system is missing the Service Core license. Please contact the site administrator. |
 |-2812 | Error: Duplicate ID detected while creating a Dynamic Web TWAIN object. |
 |-2813 | Error: The ID of the target DIV for the new DWT object is invalid. |
 |-2814 | Error: The Dynamic Web TWAIN module is not installed. |
 |-2815 | Error: Duplicate ContainerId detected while creating a Dynamic Web TWAIN object. |
+|-2816 | HTTP process error: XXX |
 |-2817 | The Connection from the insecure (HTTP) web page failed for HTST. |
 |-2818 | The Dynamic Web TWAIN Service SSL certificate has expired. |
 |-2819 | The Dynamic Web TWAIN Service SSL certificate is invalid. |
@@ -161,6 +225,7 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-2823 | The http url redirected. |
 |-2824 | The Connection from the web page failed. Please make sure the Dynamic Web TWAIN Service is running. |
 |-2825 | Failed to setup the Default Dynamic Web TWAIN Service. |
+|-2826 | Failed to connect the Dynamic Web TWAIN Service on ${name} |
 |-2827 | Failed to get Machine ID. |
 |-2828 | Invalid PDF Convert Mode Value. |
 |-2829 | The type of the PDF password must be a string. |
@@ -186,11 +251,17 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 |-2853 | The imageId cannot be empty.|
 |-2854 | The imageId does not exist.|
 |-2855 | The blob cannot be empty.|
-|-2856 | Invalid blob value.|
+|-2856 | Cannot convert blob to array buffer. \| Invalid blob value. |
+|-2857 | Invalid blob value. |
 |-2901 | Source document does not exist. Please check the document name or create the document before performing this operation. |
 |-2902 | Target document does not exist. Please check the document name or create the document before performing this operation. |
 |-2905 | This API is not supported on the current operating system. Please contact your system administrator. |
+|-2906 | After initialization, the product key cannot be changed. |
+|-2907 | Starting from version 19, ActiveX controls are no longer supported. |
+|-2908 | The parameter is not a Dynamic Web TWAIN object. |
+|-2909 | Access to the local scanning service is blocked. |
 |-2910 | The OS print functionality is not supported on the current operating system. |
+|-2911 | Please grant access to the local scanning service. |
 |<= -3000 | See ErrorString property for details |
 
 <!-- |-2826 | Failed to connect the Dynamic Web TWAIN Service on [' + name + ']. | -->
@@ -218,3 +289,4 @@ description: Dynamic Web TWAIN SDK Documentation API Appendix Page
 | -20115     | ChargeWay for licenseItem is not matched.                                        |
 | -20120     | License has exceeded its limit.                                                  |
 | -20151     | Cloned device detected.                                                          |
+