I noticed this spike [1] in editing errors on mobile so have investigated it.
These were the types of errors occuring on that day [2]
NULL 23
autoblocked 5
badtoken 8
blocked 88
editconflict 2014
HTTP error 69
nosuchsection 8
pagedeleted 1
protectedpage 246
ratelimited 34
rvnosuchsection 7
Sadly 1649 of these users were trying to make their first edit [3]
And most of these problems were on enwiki [4]:
dewiki 5
enwiki 1997
eswiki 1
frwiki 4
jawiki 1
kowiki 4
ptwiki 1
ruwiki 1
Looking closer at the timestamps the majority of enwiki errors (1909
of them) happened between 1am and 3am on Tuesday the 19th November UTC
[5] with 1844 of these occurring between 2.30am and 3am [6]. This
would be around Monday 18th November 5pm-7pm PST. All these edits
happened in stable mode. Does anyone know why might have been
responsible?
[1]
http://mobile-reportcard.wmflabs.org/graphs/error-edits
[2] select event_errorText, count(*) from MobileWebEditing_6077315
where event_action = 'error' and timestamp > 20131119000000 and
timestamp < 20131120000000 group by event_errorText
[3] select event_errorText, count(*) from MobileWebEditing_6077315
where event_action = 'error' and timestamp > 20131119000000 and
timestamp < 20131120000000 and event_errorText = 'editconflict' and
event_userEditCount = 0
[4] select wiki, count(*) from MobileWebEditing_6077315 where
event_action = 'error' and timestamp > 20131119000000 and timestamp <
20131120000000 and event_errorText = 'editconflict' group by wiki
[5] select wiki, count(*) from MobileWebEditing_6077315 where
event_action = 'error' and timestamp > 20131119010000 and timestamp <
20131119030000 and event_errorText = 'editconflict' group by wiki
[6] select wiki, count(*) from MobileWebEditing_6077315 where
event_action = 'error' and timestamp > 20131119023000 and timestamp <
20131119030000 and event_errorText = 'editconflict' group by wiki