Self hosted. All in one instance: from v6 uninstall to v13.5.0-1 new install

Hi Jess,

Thanks for advise. I appreciate your help
We have some errors:

/opt/kaltura/bin/kaltura-sanity.sh
[DWH cycle] [FAILED, RC: 255] - [19.999803303]

kaltlog
==> /opt/kaltura/log/batch/clearcuepoints-0-2018-03-28.err.log <==
PHP Fatal error: Uncaught exception ‘KalturaException’ with message ‘Internal server error occurred’ in /opt/kaltura/app/ batch/client/KalturaClientBase.php:894

Stack trace:
#0 /opt/kaltura/app/batch/client/KalturaClient.php(4304): KalturaClientBase->throwExceptionIfError(Array)

==> /opt/kaltura/log/batch/extractmedia-0-2018-03-28.err.log <==
PHP Warning: Division by zero in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 281
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Notice: Trying to get property of non-object in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282
PHP Warning: Division by zero in /opt/kaltura/app/infra/media/mediaInfoParser/KMediaFileComplexity.php on line 282

line
*/
public function throwExceptionIfError($resultObject)
{
if ($this->isError($resultObject))
{
line894 throw new KalturaException($resultObject[“message”], $resultObject[“code”], $resultObject[“args”])

276 * estimateDuration
277 * estimatedKeyFrameCount - I frame count that shoudl represent both the ForcedKF’s and scenec ut flavors. Typically - duration_in_sec * 3
278 /
279 KalturaLog::log(“estimateDuration($estimateDuration), estimatedKeyFrameCount($estimatedKeyFram eCount), fps($fps), frameStat:”.print_r($framesStat,1));
280
281 $estimatedSize = ($framesStat->I->size/$framesStat->I->cnt)$estimatedKeyFrameCount;
282 $p2bRatio = ($framesStat->P->size + $framesStat->B->size)/($framesStat->P->cnt + $framesStat-> B->cnt);