SSH Channel confirmed open: LocalID0760a2ce) ServerID(00000000) ServerMaxPacket(34000) ServerWindow(0)
Started subsystem "sftp" on channel 0760a2ce
Server Window of 0 not enough for data of 9 on channel 0760a2ce
Waiting for 5 seconds for server to adjust channel window
Adjusting Channel Server Window by 131072 bytes from 0 to 131072
SFTP Protocol Version 3 OK
sftp protocol initialized
Opening remote file "./XXX.100271" for writing
Uploading local file "D:\XXX.STL"
SFTP Send File Parameters: MaxSendBlock=30000, MinSendBlock=4096, ServerMaxPacket=34000, StatusTimeout(300)
AvgSendRecvRTT(172 ticks), AvgWindowAdjustment(131072 bytes), AvgWindowAdjustmentPoint(0 bytes)
510000 bytes of 10192249 sent - (5%)
990000 bytes of 10192249 sent - (10%)
1500000 bytes of 10192249 sent - (15%)
SFTP Upload reducing MinServerWindow to 3102, PacketDivisor to 4
2070000 bytes of 10192249 sent - (20%)
2550000 bytes of 10192249 sent - (25%)
3030000 bytes of 10192249 sent - (30%)
SFTP Upload reducing MinServerWindow to 2327, PacketDivisor to 5
3606276 bytes of 10192249 sent - (35%)
4085851 bytes of 10192249 sent - (40%)
4565486 bytes of 10192249 sent - (45%)
SFTP Upload reducing MinServerWindow to 1746, PacketDivisor to 6
5083006 bytes of 10192249 sent - (50%)
5611959 bytes of 10192249 sent - (55%)
6081241 bytes of 10192249 sent - (60%)
6589684 bytes of 10192249 sent - (65%)
7137297 bytes of 10192249 sent - (70%)
7606723 bytes of 10192249 sent - (75%)
8115309 bytes of 10192249 sent - (80%)
8663062 bytes of 10192249 sent - (85%)
Server has disconnected for reason 2 (SSH_DISCONNECT_PROTOCOL_ERROR)
"Data length of 19589 bytes exceeded available window space of 13538 bytes."
Error 83ef0000 receiving sftp packet

I have logs from other uploads as well and they show the same thing.  They don't error out in the exact same spot but they give the same error.  Any ideas what's going on here?