File permisson error when doing file sync to a SFTP using winscp assembly

hi,

i using winscp .net assembly in powershell file synchronization sftp server. using following code synchronization:

http://winscp.net/eng/docs/library_session_synchronizedirectories#powershell

problem is, when script sync files through upload sftp generates error, although uploads file. script gets terminated following error:

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upload of c:\filesync\files\test2.txt succeeded
permissions of /reports/test2.txt kept defaults
setting timestamp of /reports/test2.txt failed: winscp.sessionremoteexception: upload of file 'test2.txt' successful, error occurred while setting permissions and/or timestamp.

if problem persists, turn off setting permissions or preserving timestamp. alternatively can turn on 'ignore permission errors' option. ---> winscp.sessionremoteexception: server not support operation.
error code: 8
error message server: sshserverapi.sftp.fxp_attrs
   --- end of inner exception stack trace ---
**upload of file 'test2.txt' successful, error occurred while setting permissions and/or timestamp.**

if problem persists, turn off setting permissions or preserving timestamp. alternatively can turn on 'ignore permission errors' option.

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i not finding way how "ignore permission error" it's suggested in errors. 

the script not complain when sync through downloading files sftp.

any please?

this question needs asked in winscp forum  specific third party product.

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\_(ツ)_/

Windows Server  >  Windows PowerShell