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Error message: Source is connected to maximum supported number of applications
Symptoms: When you acquire images with Dynamic Web TWAIN, you may receive the following error message returned by the ErrorString property: Cause: The problem may occur when the source is NOT disabled completely after a transfer ends or is used by other applications. Resolutions: 1. Please chec ...- Error message: XMLHttpRequest cannot load XXX
Error: XMLHttpRequest cannot load xxxxx. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://xxxxxxx' is therefore not allowed access. Cause: Dynamic Web TWAIN supports uploading image and document to web server. However, if the upload process goes acro ...
- Dynamic Web TWAIN Error: Failed to open some file(s)
Symptoms: When trying to load a file in Dynamic Web TWAIN you see the error: Failed to open some file(s)" Cause: This issue is caused by trying to load a file with non-English characters with a mismatched system language. Solution: Change the system settings so that the system language matche ...
- Dynamic Web TWAIN Error: An add-on for this website failed to run.
Symptoms: When you access a web page containing Dynamsoft ActiveX control, you may receive an error stating that: "An add-on for this website failed to run." after trying to install the add-on. Cause: This is a known issue caused by Microsoft update KB3058515 on Internet explorer versions 9 th ...
- Error message: Object doesn't support this property or method
This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition ImageCapture Suite ActiveX Edition Symptoms: When you access a web page containing Dynamsoft ActiveX control, you may receive the following JavaScript error: Cause: 1. The ActiveX cont ...
- Dynamic Web TWAIN Error Connection to * Failed: Establishing a tunnel via proxy server failed.
Dynamic Web TWAIN Error Connection to ‘*’ Failed: Establishing a tunnel via proxy server failed. If you are seeing an error in the developer console of your browser (F12) that “Connection to ‘*‘failed: Establishing a tunnel via proxy server failed.” It may be caused by an issue with proxy settin ...
- Error message: HTTP request error
Symtoms: When you upload the image using Dynamic Web TWAIN's HTTP Put method, you may receive the following error message returned by the ErrorString property: Cause: 1. The problem may occur if the write permission is not provided on the server. 2. In Tomcat, the value of readonly property ...
- Error message: The License Number is for trial version. Please use a full version License Number.
This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition Dynamic Webcam SDK ActiveX Edition ImageCapture Suite ActiveX Edition Symptoms: When you generate the LPK file using "lpk_tool.exe" or run an application using Dynamsoft ActiveX contro ...
- Error message: Not enought memory to perform operation
[Deprecated] Symptoms: When you upload or save images in buffer, you may receive the following error message: Cause: The error may occur when there is NOT enough memory available on your PC. Resolution: 1. Please check the free memory of your PC. As the number of images in buffer depends on t ...
- Error message: Data parameter out of supported range
[Deprecated] Symptoms: When you acquire images from your device with Dynamic Web TWAIN, you may receive the following error message: Cause: The value of the property you set is out of supported range. Resolution: Before setting the value of the property, please make sure that it is in the sup ...
- Error message: Error reading installation information
Symptom: When you are installing Dynamic Web TWAIN, you may get the following error message: Cause: You may have installed Dynamic Web TWAIN before and the former installation information has not been removed completely. Resolution: 1. Delete ds_twidr_f.dll at "C:\Windows\System32" or "C:\Win ...
- Error message: Error reading setup initialization file
Symptom: When you install Dynamic Web TWAIN, you may receive the following error message: Cause: The installation package is corrupted. Resolution: Please download the installation package again and reinstall Dynamic Web TWAIN. Reference: To download the trial version of Dynamic Web TWAIN (DWT ...
- Error message: Error writing file
Symptoms: When you are saving the image to a specified directory by using Dynamic Web TWAIN's SaveAs*** method, you may receive the following error message returned by the ErrorString property: Cause: 1. The specified directory does not exist. 2. You do not have the write permission to creat ...
- Error message: Your License Number is empty or it's invalid. (v8 or older)
Symptom: When you generate the LPK file or run an application containing Dynamsoft image acquisition SDK, you may receive the following error message: Cause: This problem may occur in the following conditions: The error occurs when entering serial number. The error occurs when generating L ...
- Error message: Class not registered
Symptom: When you upgrade the trial version of Dynamic Web TWAIN to the full version in Delphi, you may get the following error message: Resolution: Please try the steps as follows. 1. Find the "dclusr.dpk" file in the "Lib" folder under the installation directory of Delphi and then open it wi ...
- Error message: Your trial license has expired
Symptoms: When you access a web page or run an application containing Dynamsoft image acquisition SDK, you may receive the following message: Cause: The license of the trial version has expired. Resolution: 1. Send an email to Catherine@dynamsoft.com to ask for an extended trial license. ...
- Error message: Failed to import the ActiveX control
[Deprecated] Symptoms: When you try dragging the control from the tool box into the form in Microsoft Visual Studio, you may receive the following error message: Cause: This is a bug of VS that has been reported to Microsoft. The cause of the problem is the missing of the "Interop.DYNAMICTWAI ...
- Error message: The action must be retried
Symptoms: When you upload a image in Dynamic Web TWAIN's buffer, you may receive the following error message returned by the ErrorString property: Cause: You are not permitted to upload images. Resolutions: 1. If you are using the HTTP Put method, please check the write permission of the spec ...
- Error message: General failure
Symptoms: When you try scanning an image with Dynamic Web TWAIN, you may receive the following error message returned by the ErrorString property: Cause: The problem may occur when the source is NOT disabled completely after a transfer ends or the source is currently unavailable. Resolutions: ...
- Error message: Tiff format error or not supported
Symptom 1: When you intend to load files into Dynamic Web TWAIN, you may receive the following error message: Cause: The TIFF file is not supported by Dynamic Web TWAIN. Resolution: Currently, we only ensure that images created by Dynamic Web TWAIN or Dynamic TWAIN can be loaded into Dynamic ...