Error 0x80043106

Hi, I'm getting this error when connecting to a ftp account on a windows server:
 
2016-06-20T09:24:56Z PORT 192,168,0,9,233,107
2016-06-20T09:24:56Z 200 PORT command successful.
2016-06-20T09:24:56Z LIST -aL
2016-06-20T09:24:56Z 550 
2016-06-20T09:24:56Z Error 0x80043106
 
 
Connection to other sites work fine
Any idea?

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