Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0(Copying files to remote side failed)

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brian433677
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Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0(Copying files to remote side failed)

Hi All,
I first SFTP to a remote server (interactive logon) and tried to upload some files (~2GB) to the server from my computer. But after a minute uploading it shows Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0" then after I clicked abort shows "Copying files to remote side failed". I tried changing to binary mode transfer, but still has the same error. After reconnecting, I see some fileparts that are partially uploaded.
I tried uploading smaller files before and they worked fine, so is it the size of files that cause this issue?
Here is the log:
. 2022-09-07 14:22:41.612 File: 'C:\Users\bwu\bioinfo\Mus_musculus.GRCm38.93.gtf' [2022-09-06T22:45:13.675Z] [777923733]
. 2022-09-07 14:22:41.612 Copying "C:\Users\bwu\bioinfo\Mus_musculus.GRCm38.93.gtf" to remote directory started.
. 2022-09-07 14:22:41.613 Binary transfer mode selected.
. 2022-09-07 14:22:41.613 Checking existence of file.
> 2022-09-07 14:22:41.613 Type: SSH_FXP_LSTAT, Size: 85, Number: 12295
< 2022-09-07 14:22:41.613 Type: SSH_FXP_STATUS, Size: 24, Number: 12036
. 2022-09-07 14:22:41.613 Discarding reserved response
< 2022-09-07 14:22:41.829 Type: SSH_FXP_STATUS, Size: 29, Number: 12295
< 2022-09-07 14:22:41.829 Status code: 2
. 2022-09-07 14:22:41.829 Checking existence of partially transferred file.
> 2022-09-07 14:22:41.829 Type: SSH_FXP_LSTAT, Size: 94, Number: 12551
< 2022-09-07 14:22:42.046 Type: SSH_FXP_STATUS, Size: 29, Number: 12551
< 2022-09-07 14:22:42.047 Status code: 2
. 2022-09-07 14:22:42.047 Opening remote file.
> 2022-09-07 14:22:42.047 Type: SSH_FXP_OPEN, Size: 110, Number: 12803
< 2022-09-07 14:22:42.262 Type: SSH_FXP_HANDLE, Size: 13, Number: 12803
> 2022-09-07 14:22:42.262 Type: SSH_FXP_WRITE, Size: 32761, Number: 13318
. 2022-09-07 14:22:50.126 Increasing send buffer from 524288 to 1048576
< 2022-09-07 14:22:57.267 Status code: 4, Message: 95494, Server: Failure, Language:  
. 2022-09-07 14:22:57.310 Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0
. 2022-09-07 14:22:57.310 Attempt to close connection due to fatal exception:
* 2022-09-07 14:22:57.310 Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0
. 2022-09-07 14:22:57.311 Closing connection.
. 2022-09-07 14:22:57.311 Fatal error while disposing the SFTP queue.
. 2022-09-07 14:22:57.311 Connection was lost, asking what to do.
. 2022-09-07 14:22:57.312 Asking user:
. 2022-09-07 14:22:57.312 Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0 ()
. 2022-09-07 14:23:00.414 Answer: Abort
* 2022-09-07 14:23:00.431 (ESshFatal) Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0
* 2022-09-07 14:23:00.431 Copying files to remote side failed.

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martin
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Re: Received SSH2_MSG_CHANNEL_DATA for nonexistent channel 0(Copying files to remote side failed)

What SFTP server are you connecting to? Can you post a complete log file?

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