brbackup BR0069E File name not unique - backup/verifcation not possible

Dear Experts,

we try to take solman backup to local disk,

when we execute brbackup from windows cmd, brbackup terminates with errors,

brbackup command : brbackup -u system/password u2013c u2013t offline_force u2013m sap_dir

here are the Errors ;

BR0069E File name E:\usr\sap\SLD\DVEBMGS00\data not unique - backup/verification not possible

BR0069E File name E:\usr\sap\SLD\DVEBMGS00\igs\data not unique - backup/verification not possible

BR0069E File name E:\usr\sap\SLD\DVEBMGS00\j2ee\cluster\server0\apps\sap.com\tc_TechSrvXML_DAS\servlet_jsp\DataArchivingService\root\WEB-INF\classes\com\sap\archtech\daservice\data not unique - backup/verification not possible

BR0069E File name E:\usr\sap\SLD\DVEBMGS00\j2ee\JSPM\deploy\data not unique - backup/verification not possible

BR0069E File name E:\usr\sap\SLD\DVEBMGS00\SDM\root\origin\sap.com\tc\sld\data not unique - backup/verification not possible

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How can i prevent these errors,

Regards