The date '2013-05-22' is not a correct date range. piwik 1.12

After upgrading to 1.12 I get the following error on an api request:

{“result”:“error”, “message”:“The date ‘2013-01-22’ is not a correct date range. It should have the following format: ‘lastN’, ‘previousN’, ‘YYYY-MM-DD,YYYY-MM-DD’.”}

the request is

?module=API&action=index&date=2013-05-22,2013-05-29&period=range&idSite=34&token_auth=STRIPPED&format=json&flat=1&segment=pageTitle==Slapen+op+het+strand+2013±+vakantiehuisjes+aan+zee&method=Actions.getPageUrls&filter_limit=1&filter_sort_column=nb_hits&filter_sort_order=desc

setting the method to getPageTitles doesn’t give the error message

?module=API&action=index&date=2013-05-22,2013-05-29&period=range&idSite=34&token_auth=STRIPPED&format=json&flat=1&segment=pageTitle==Slapen+op+het+strand+2013±+vakantiehuisjes+aan+zee&method=Actions.getPageTitles&filter_limit=1&filter_sort_column=nb_hits&filter_sort_order=desc

We have the same problem on a clients website since updating to 1.12

Hello,
since the upgrade to 1.12 we get the same error for reports that were previously running without a hitch

http://xxxxx.xxxxx.xx/index.php?module=API&method=Actions.getDownloads&idSite=1&period=range&date=2013-01-01,2013-06-30&format=Tsv&token_auth=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx&translateColumnNames=1&language=en&filter_limit=500&expand=1&flat=1
this gives the incorrect date range error:
Error: The date ‘2013-01-01’ is not a correct date range. It should have the following format: ‘lastN’, ‘previousN’, ‘YYYY-MM-DD,YYYY-MM-DD’.

if we remove &flat=1
we get the Tsv file without the error
but we would like to get not only the base URL but the full URL of each downloaded document
today we know how many of them are downloaded but not which one…

The bug was fixed in git, will be in the next major release (which will take few months)

Actually it looks like this bug: 301 Moved Permanently

Which will be fixed in next 1.12.1 release. stay tuned!