I did the upgrade NC12 via web installer. Everything but theming app was upgraded successfully.
Each time I access my NC installation the updater starts again and tries to update theming app.
But if fails with this message:
InvalidArgumentException: $absolutePath must be relative to “files”
{“reqId”:“WSNEOFUNkcYAAF0loKMAAAAN”,“level”:3,“time”:“2017-05-22T22:04:09+02:00”,“remoteAddr”:“194.166.210.53”,“user”:"–",“app”:“no app in context”,“method”:“GET”,“url”:"/core/ajax/update.php?requesttoken=3oK%2BMYXTPKzoRFUivPWzmY3jJEN68NIk%2FAAx%2FMwzXoU%3D%3Av%2FX1X7OUbfa4CBpxzJPG2vWaHDcVp7trrTdHpoEBa8I%3D",“message”:"$absolutePath must be relative to “files”, value is “%s”",“userAgent”:“Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4”,“version”:“12.0.0.29”}
{“reqId”:“WSNEOFUNkcYAAF0loKMAAAAN”,“level”:3,“time”:“2017-05-22T22:04:09+02:00”,“remoteAddr”:“194.166.210.53”,“user”:"–",“app”:“core”,“method”:“GET”,“url”:"/core/ajax/update.php?requesttoken=3oK%2BMYXTPKzoRFUivPWzmY3jJEN68NIk%2FAAx%2FMwzXoU%3D%3Av%2FX1X7OUbfa4CBpxzJPG2vWaHDcVp7trrTdHpoEBa8I%3D",“message”:“Exception: {“Exception”:“InvalidArgumentException”,“Message”:”$absolutePath must be relative to \“files\”",“Code”:0,“Trace”:"#0 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Files\/View.php(1951): OC\\Files\\View->getPathRelativeToFiles(’\/themedbackgrou…’)\n#1 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Files\/View.php(1126): OC\\Files\\View->changeLock(’\/themedbackgrou…’, 2)\n#2 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Files\/View.php(701): OC\\Files\\View->basicOperation(‘unlink’, ‘\/themedbackgrou…’, Array)\n#3 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Files\/Node\/File.php(116): OC\\Files\\View->unlink(’\/themedbackgrou…’)\n#4 \/www\/htdocs\/w00989f7\/nextcloud\/apps\/theming\/lib\/Migration\/ThemingImages.php(72): OC\\Files\\Node\\File->delete()\n#5 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Repair.php(85): OCA\\Theming\\Migration\\ThemingImages->run(Object(OC\\Repair))\n#6 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/legacy\/app.php(1114): OC\\Repair->run()\n#7 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/legacy\/app.php(1049): OC_App::executeRepairSteps(‘theming’, Array)\n#8 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Updater.php(381): OC_App::updateApp(‘theming’)\n#9 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Updater.php(264): OC\\Updater->doAppUpgrade()\n#10 \/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Updater.php(130): OC\\Updater->doUpgrade(‘12.0.0.29’, ‘12.0.0.29’)\n#11 \/www\/htdocs\/w00989f7\/nextcloud\/core\/ajax\/update.php(206): OC\\Updater->upgrade()\n#12 {main}",“File”:"\/www\/htdocs\/w00989f7\/nextcloud\/lib\/private\/Files\/View.php",“Line”:2084}",“userAgent”:“Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4”,“version”:“12.0.0.29”}