Attempt to resolve "!ERROR 11 receiving from socket" reported by plt

<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> append key into keybuf: 4E (N)
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> Executing external: /sbbs/exec/sexyz 14 -Telnet sz /mnt/disk1/dl/COCO/AGI/agi-xmas.zip
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> sexyz: Synchronet External X/Y/ZMODEM  v3.0  master/23b741a1  Copyright Rob Swindell
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> sexyz: !File skipped by receiver
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> sexyz: !File Skipped
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 <plt> sexyz: !0 Aborting Transfer (Sending ZABORT)
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 !ERROR 11 receiving from socket 14
<plt> May 13 00:39:40 sbbs synchronet: term Node 1 input thread terminated (received 365 bytes in 35 blocks)

Not sure why this isn't happening for other sysops - perhaps plt was spying on the node?
14 jobs for master in 10 minutes and 35 seconds (queued for 11 seconds)
Status Job ID Name Coverage
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passed #22984
FreeBSD
jsdoor-freebsd

00:06:07

passed #22985
Linux
jsdoor-linux

00:07:36

passed #22987
FreeBSD
jsdoor-windows

00:02:46

passed #22979
FreeBSD
sbbs-freebsd

00:08:26

passed #22974
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sbbs-linux

00:10:31

passed #22977
Windows
sbbs-windows

00:05:31

passed #22986
FreeBSD
sexpots-freebsd

00:00:41

passed #22975
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sexpots-linux

00:00:10

passed #22978
Windows
sexpots-windows

00:00:27

passed #22982
FreeBSD
syncdraw-freebsd

00:01:01

passed #22983
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syncdraw-linux

00:00:20

passed #22980
FreeBSD
syncterm-freebsd

00:02:02

passed #22976
Linux
syncterm-linux

00:03:18

passed #22981
FreeBSD
syncterm-windows

00:03:08