Internal Server Error after update from v11 to v12

Ubuntu 16,04
Apache2
Installed via tar.gz

Any ideas would be awesome :slight_smile:
Log below:
{
“reqId”:“PmI9KDsRE37eznzYiLxD”,
“level”:3,
“time”:“2017-06-13T20:33:34+00:00”,
“remoteAddr”:“68.170.144.194”,
“user”:"–",
“app”:“core”,
“method”:“GET”,
“url”:"/index.php/login",
“message”:“Exception: {“Exception”:“OCP\Files\NotFoundException”,“Message”:”",“Code”:0,“Trace”:"#0 \/var\/www\/html\/nextcloud\/lib\/private\/Files\/Node\/Node.php(217): OC\Files\Node\Node->getFileInfo()\n#1 \/var\/www\/html\/nextcloud\/lib\/private\/Files\/Node\/Node.php(117): OC\Files\Node\Node->getPermissions()\n#2 \/var\/www\/html\/nextcloud\/lib\/private\/Files\/Node\/File.php(62): OC\Files\Node\Node->checkPermissions(2)\n#3 \/var\/www\/html\/nextcloud\/lib\/private\/Files\/SimpleFS\/SimpleFile.php(95): OC\Files\Node\File->putContent(’\/\n * Copyright…’)\n#4 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/JSCombiner.php(163): OC\Files\SimpleFS\SimpleFile->putContent(’\/\n * Copyright…’)\n#5 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/JSCombiner.php(89): OC\Template\JSCombiner->cache(’\/var\/www\/html\/n…’, ‘merged-share-ba…’, Object(OC\Files\SimpleFS\SimpleFolder))\n#6 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/JSResourceLocator.php(105): OC\Template\JSCombiner->process(’\/var\/www\/html\/n…’, ‘core\/js\/merged-…’, ‘core’)\n#7 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/JSResourceLocator.php(65): OC\Template\JSResourceLocator->cacheAndAppendCombineJsonIfExist(’\/var\/www\/html\/n…’, ‘core\/js\/merged-…’)\n#8 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/ResourceLocator.php(75): OC\Template\JSResourceLocator->doFind(‘core\/js\/merged-…’)\n#9 \/var\/www\/html\/nextcloud\/lib\/private\/TemplateLayout.php(249): OC\Template\ResourceLocator->find(Array)\n#10 \/var\/www\/html\/nextcloud\/lib\/private\/TemplateLayout.php(132): OC\TemplateLayout::findJavascriptFiles(Array)\n#11 \/var\/www\/html\/nextcloud\/lib\/private\/legacy\/template.php(205): OC\TemplateLayout->_construct(‘error’, ‘’)\n#12 \/var\/www\/html\/nextcloud\/lib\/private\/Template\/Base.php(132): OCTemplate->fetchPage()\n#13 \/var\/www\/html\/nextcloud\/lib\/private\/legacy\/template.php(342): OC\Template\Base->printPage()\n#14 \/var\/www\/html\/nextcloud\/index.php(59): OC_Template::printExceptionErrorPage(Object(OCP\Files\NotFoundException))\n#15 {main}",“File”:"\/var\/www\/html\/nextcloud\/lib\/private\/Files\/Node\/Node.php",“Line”:97}",
“userAgent”:“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36”,
“version”:“12.0.0.29”
}

resolved - though I have no idea why…