| Member | Description | 
| ART_ACCESS_DENIED | Don't have sufficient permissions to access the ART object. | 
| ART_FAILURE | The ART failure. | 
| BARCODE_FAILURE | The barcode generic failure. | 
| CANT_ADD_COLOR_TO_COLORBOOK | Cannot add color to color book. | 
| CANT_CREATE_COLORBOOK | Cannot create new color book. | 
| CANT_DETECT_FORMAT | Cannot detect format. | 
| CANT_FIND_FORMAT | Cannot find format. | 
| CANT_FIND_LAYER |  Could not find specified Layer.  | 
| CANT_FIND_LAYOUT |  Could not find specified Layout.  | 
| CANT_FIND_MODEL |  Could not find specified Model.  | 
| CANT_FIND_VIEW |  Could not find specified View.  | 
| CANT_FIND_VIEW_GROUP |  Could not find specified View Group.  | 
| CANT_LOAD_LIBRARY | Cannot load a specified library. | 
| CANT_READ_PIXELS | Cannot read image pixels. | 
| CANT_READ_PROFILE | Cannot read profile. | 
| CANT_SAVE_FORMAT | Cannot save format. | 
| CYCLIC_REFERENCE | Cyclic reference. | 
| DATA_STREAM_INCOMPLETE | Data stream incomplete. | 
| DICOM_MPR_FAILURE | 
            DICOM Multi-Planar Reconstruction failure.
             | 
| FFTW_NOT_INITIALIZED | Support for FFTW is not initialized. | 
| FORMAT_ALREADY_ADDED | The specified format is already in the collection. | 
| INCORRECT_DWG_PASSWORD |  Incorrect password for DWG.  | 
| INTERNAL_FAILURE | Internal failure. | 
| INVALID_BITCOUNT_FOR_FORMAT | Invalid bit depth for the specified format. | 
| INVALID_CAMERA_VIEW_RECT |  Invalid VectRect for CADCamera.  | 
| INVALID_COMPLEX_OBJECT | Invalid complex object. | 
| INVALID_COMPRESSED_DATA | Invalid compression data. | 
| INVALID_COMPRESSION | Invalid compression. | 
| INVALID_HEADER_FOR_FORMAT | Invalid header for the format. | 
| INVALID_IMAGE_DIMENSIONS | Invalid image dimensions. | 
| INVALID_IMAGE_TILE_DIMENSIONS | Invalid image tile dimensions. | 
| INVALID_LOOK_UP_TABLE | Invalid lookup table. | 
| INVALID_PDF_EXPORT_OPTION |  Invalid option for exporting PDF.  | 
| INVALID_RESOLUTION_VALUE_FOR_FORMAT | Invalid resolution for using format. | 
| INVALID_TYPE | Invalid type. | 
| IP_FUNCTION_NOT_APPLICABLE_TO_DIB | The IP method is not supported for the specified DIB. | 
| JPEG2K_FAILURE | The JPEG 2000 failure. | 
| MEDC_FAILURE | MedC specific error code. | 
| NOT_IMPLEMENTED_YET | The API is not yet implemented. | 
| NOT_LICENSED | The product of feature are not licensed. | 
| OWNER_ALREADY_ASSIGNED | Owner has already been assigned. | 
| OWNER_NOT_ASSIGNED | Owner has not been assigned. | 
| PAGE_NOT_PRESENT | The specified page is not present. | 
| PARAMETER_HAS_INVALID_VALUE | The parameter has an invalid value. | 
| PDF_FAILURE | The PDF failure. | 
| PROFILE_CONVERSION_FAILED | Profile conversion failed.. | 
| REC_CANT_CREATE_UNIQUE_SETTINGS | Cannot create a new settings collection. | 
| REC_CHAR_UNREPRESENTABLE_BY_FONT | The PDF font selected for PDF export cannot fully
            represent all the characters in the output text. | 
| REC_ENGINE_FAILURE | The recognition engine failure.. | 
| REC_FAILURE | The recognition generic failure. | 
| REC_INSTANCE_DISPOSED | The ImGearRecognition instance has been disposed. | 
| REC_PDFA_STRUCTURE_FAILURE | Cannot create PDF/A-1 compatible document. | 
| REC_ZERO_RESOLUTION | Image is with zero resolution. | 
| REQUIRE_8_16_32BIT_GRAYSCALE_1CHANNEL | 
            Require 8, 16 or 32bit gray-scale image with one channel.
             | 
| REQUIRE_8BIT_GRAYSCALE_1CHANNEL | 
            Require 8bit gray-scale image with one channel.
             | 
| SPOT_COLOR_IS_UNKNOWN | Spot color is absent and cannot be displayed. | 
| SUCCESS | No errors have been reported. | 
| THUMBNAIL_NOT_PRESENT | This image does not contain a thumbnail. | 
| TILE_NOT_PRESENT | The specified tile is not present. | 
| TWAIN_FAILURE | The TWAIN failure. | 
| TWAIN_OPERATION_CANCELED | The TWAIN operation is canceled. | 
| TWAIN_OPERATION_CANCELED_BY_EVENT | The TWAIN operation is canceled by event handler. | 
| UNABLE_TO_UPDATE_CAD_RENDERER |  There was a problem with the CAD renderer. 
            This is usually due to not being supported by the machine.  | 
| VALUES_ARE_INCOMPATIBLE | The specified values are incompatible. | 
| WRONG_METADATA_FORMAT | Wrong metadata format. |