Error, Error_description	Description	Example
"#DCO01001 restapi.InvalidResourceModificationFault"	The third-party solution has transmitted an incorrect request. There is an error with this upload. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01001", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01001", "error_description":"restapi.InvalidResourceModificationFault"}
"#DCO01002 restapi.InvalidDxsoImportTargetFault"	The client is not configured for the requested data transfer (dxso-job). It is recommended that the user contacts the tax consultant. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01002", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01002", "error_description":"restapi.InvalidDxsoImportTargetFault"}
"#DCO01003 restapi.InvalidDxsoJobIdFault"	The third-party solution has transmitted an incorrect request. The job guid is invalid or not found. It is recommended that the user contact the tax consultant. It is up to the software partner to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01003", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01003", "error_description":"restapi.InvalidDxsoJobIdFault"}
"#DCO01004 restapi.MultipartUploadFault"	The third-party solution has transmitted an incorrect request. There is an error with the multipart object (e.g. the file is missing). It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01004", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01004", "error_description":"restapi.MultipartUploadFault"}
"#DCO01006 restapi.InvalidDcoClientIdFault"	The third-party solution has transmitted an incorrect request. Invalid oAuth client id. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01006", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01006", "error_description":"restapi.InvalidDcoClientIdFault"}
"#DCO01007 restapi.InvalidDxsoJobStateFault"	The third-party solution has transmitted an incorrect request. The job-id is invalid because the corresponding data transfer (dxso-job) is already finalized. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01007", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01007", "error_description":"restapi.InvalidDxsoJobStateFault"}
"#DCO01015 restapi.UnsupportedFileTypeFault"	The transferred file has not been processed because the file type is not accepted by DATEV. It is up to the software provider to ensure that the user is informed that the file type is not supported by DATEV.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01015", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01015", "error_description":"restapi.UnsupportedFileTypeFault"}
"#DCO01016 restapi.FileSizeFault"	The transferred file has not been processed because the file is too large (max. 20MB) to be stored by DATEV. It is up to the software provider to ensure that the user is informed that the file is too large to be stored by DATEV.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01016", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01016", "error_description":"restapi.FileSizeFault"}
"#DCO01219 restapi.ContentTypeDoesNotMatchFileExtensionFault"	The third-party solution has transmitted an incorrect request. The specified file extension does not match the expected file content. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01219", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01219", "error_description":"restapi.ContentTypeDoesNotMatchFileExtensionFault"}
"#DCO01300 restapi.IsNeuePersonalakteFault"	The third-party solution has transmitted an incorrect request. The file could not be uploaded because you use DATEV Personal Arbeitgeber and try to upload receipts with the 'Document types DATEV Lohn-Unterlagen' bzw. 'DATEV Reisekosten-Belege', this is no longer possible.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01300", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01300", "error_description":"restapi.IsNeuePersonalakteFault"}
"#DCO01301 restapi.RDS1UploadNotSupportedFault"	The third-party solution has transmitted an incorrect request. The company is a user of the new version of Belege online.. It is up to the software provider to ensure that the request is correct.	{"error_uri":"https://apps.datev.de/knowledge/help/search?q=DCO01301", "request_id":"0a13eff2-44a9-4de6-90f0-1198241e7c22", "error":"#DCO01301", "error_description":"restapi.RDS1UploadNotSupportedFault"}