Warn: Failed to resolve SID

we have a problem witch SMB and FESS 13.10.4. We want to crawl an Share on a Huawei FileStorage. In out log we have this item. Have somebody an suggestion for me?

Thx michael

2021-03-09 09:07:17,823 [Crawler-T3Wd93cBm0k8eYUg1wd2-1-4] INFO Crawling URL: smb://srv/Pool/workgroup/Inf/Dokumentationen/test/Neues Textdokument.txt

2021-03-09 09:07:17,922 [Crawler-T3Wd93cBm0k8eYUg1wd2-1-1] INFO Could not access ssmb://srv/Pool/workgroup/Inf/Dokumentationen/test/Test.txt

2021-03-09 09:07:17,930 [Crawler-T3Wd93cBm0k8eYUg1wd2-1-4] WARN Failed to resolve SID S-1-5-21-xxxxxxxxxxx-xxxxxxxxx-xxxxxxxx-xxxx

jcifs.CIFSException: Failed to resolve SIDs

        at jcifs.smb.SIDCacheImpl.resolveSids0(SIDCacheImpl.java:112) ~[jcifs-2.1.23.jar:?]

        at jcifs.smb.SIDCacheImpl.resolveSids(SIDCacheImpl.java:189) ~[jcifs-2.1.23.jar:?]

Please try to replace smb:// with smb1:// in crawling config.