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Dynamsoft Label Recognition - Error Code

Error code common to all programming languages

Erorr Code (except ObjC/Swift)	Erorr Code (ObjC/Swift)	Value	Description
`DLR_OK`	`EnumErrorCode_OK`	0	Successful.
`DLRERR_UNKNOWN`	`EnumErrorCode_Unknow`	-10000	Unknown error.
`DLRERR_NO_MEMORY`	`EnumErrorCode_No_Memory`	-10001	Not enough memory to perform the operation.
`DLRERR_NULL_POINTER`	`EnumErrorCode_Null_Pointer`	-10002	Null pointer.
`DLRERR_LICENSE_INVALID`	`EnumErrorCode_License_Invalid`	-10003	The license is invalid.
`DLRERR_FILE_NOT_FOUND`	`EnumErrorCode_File_Not_Found`	-10004	The file is not found.
`DLRERR_JSON_PARSE_FAILED`	`EnumErrorCode_Json_Parse_Failed`	-10005	Failed to parse JSON string.
`DLRERR_JSON_TYPE_INVALID`	`EnumErrorCode_Json_Type_Invalid`	-10006	The value type is invalid.
`DLRERR_JSON_KEY_INVALID`	`EnumErrorCode_Json_Key_Invalid`	-10007	The key is invalid.
`DLRERR_JSON_VALUE_INVALID`	`EnumErrorCode_Json_Value_Invalid`	-10008	The value is invalid or out of range.
`DLRERR_JSON_NAME_KEY_MISSING`	`EnumErrorCode_Json_Name_Key_Missing`	-10009	The mandatory key “Name” is missing.
`DLRERR_JSON_NAME_VALUE_DUPLICATED`	`EnumErrorCode_Json_Name_Value_Duplicated`	-10010	The value of the key “Name” is duplicated.
`DLRERR_PARAMETER_VALUE_INVALID`	`EnumErrorCode_Parameter_Value_Invalid`	-10011	The parameter value is invalid or out of range.
`DLRERR_TEMPLATE_NAME_INVALID`	`EnumErrorCode_Template_Name_Invalid`	-10012	The template name is invalid.
`DLRERR_LICENSE_EXPIRED`	`EnumErrorCode_License_Expired`	-10013	The license has expired.
`DLRERR_CHARACTER_MODEL_FILE_NOT_FOUND`	`EnumErrorCode_Character_Model_File_Not_Found`	-10014	The character model file is not found.
`DLRERR_SET_MODE_ARGUMENT_ERROR`	`EnumErrorCode_Set_Mode_Argument_Error`	-10015	Failed to set mode’s argument.
`DLRERR_GET_MODE_ARGUMENT_ERROR`	`EnumErrorCode_Get_MODE_Argument_Error`	-10016	Failed to set mode’s argument.
`DLRERR_TIFF_READ_FAILED`	`EnumErrorCode_TIFF_Read_Failed`	-10017	Failed to read the TIFF image.
`DLRERR_PDF_READ_FAILED`	`EnumErrorCode_PDF_Read_Failed`	-10021	Failed to read the PDF image.
`DLRERR_PDF_DLL_MISSING`	`EnumErrorCode_PDF_DLL_Missing`	-10022	The PDF DLL is missing.
`DLRERR_RECOGNITION_TIMEOUT`	`EnumErrorCode_Recognition_Timeout`	-10026	Recognition timeout.
`DLRERR_REQUESTED_FAILED`	`EnumErrorCode_Requested_Failed`	-10044	Failed to request the license file.
`DMERR_NO_LICENSE`	`EnumErrorCode_No_License`	-20000	No license specified.
`DMERR_HANDSHAKE_CODE_INVALID`	`EnumErrorCode_Handshake_Code_Invalid`	-20001	The handshake code is invalid.
`DMERR_LICENSE_BUFFER_FAILED`	`EnumErrorCode_License_Buffer_Failed`	-20002	Failed to read or write license buffer.
`DMERR_LICENSE_SYNC_FAILED`	`EnumErrorCode_License_Sync_Failed`	-20003	Failed to synchronize license info with license tracking server.
`DMERR_DEVICE_NOT_MATCH`	`EnumErrorCode_Device_Not_Match`	-20004	Device does not match with license buffer.
`DMERR_BIND_DEVICE_FAILED`	`EnumErrorCode_Bind_Device_Failed`	-20005	Failed to bind device.
`DMERR_LICENSE_INTERFACE_CONFLICT`	`EnumErrorCode_License_Interface_Conflict`	-20006	Interface InitLicenseFromLTS can not be used together with other license initiation interfaces.
`DMERR_LICENSE_CLIENT_DLL_MISSING`	`EnumErrorCode_License_Client_DLL_Missing`	-20007	The license client dll is missing.
`DMERR_INSTANCE_COUNT_OVER_LIMIT`	`EnumErrorCode_Instance_Count_Over_Limit`	-20008	The number of instances used has exceeded the limit.
`DMERR_LICENSE_INIT_SEQUENCE_FAILED`	`EnumErrorCode_License_Init_Sequence_Failed`	-20009	Interface InitLicenseFromLTS has to be called before creating any SDK objects.
`DMERR_TRIAL_LICENSE`	`EnumErrorCode_Trial_License`	-20010	Using a trial license.

Error code for specific programming languages

Android

Erorr Code	Value	Description
`DLR_SYSTEM_EXCEPTION`	1	System exception.

.Net

Erorr Code	Value	Description
`DLR_SYSTEM_EXCEPTION`	1	System exception.