Unable to login to KMC - Unknown uiConf [0]' in /opt/kaltura/app/api_v3/services/UiConfService.php:111

2016-08-04 10:21:03 [0.000671] [10.40.4.138] [868924030] [PS2] [sfView->initialize] INFO: {sfView} initialize view for "kmc/kmc4"
2016-08-04 10:21:03 [0.001254] [10.40.4.138] [868924030] [PS2] [sfPHPView->renderFile] INFO: {sfView} render "/opt/kaltura/app/alpha/apps/kaltura/modules/kmc/templates/kmc4Success.php"
2016-08-04 10:21:03 [0.002512] [10.40.4.138] [868924030] [PS2] [sfPHPView->decorate] INFO: {sfView} decorate content with "/opt/kaltura/app/alpha/apps/kaltura/templates/kmclayout.php"
2016-08-04 10:21:03 [0.000372] [10.40.4.138] [868924030] [PS2] [sfPHPView->renderFile] INFO: {sfView} render "/opt/kaltura/app/alpha/apps/kaltura/templates/kmclayout.php"
2016-08-04 10:21:03 [0.001499] [10.40.4.138] [868924030] [PS2] [sfRenderingFilter->execute] INFO: {sfFilter} render to client
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==> /opt/kaltura/log/batch/storageexportcloser-0-2016-08-04.err.log <==
PHP Fatal error:  Class 'KalturaScheduledTaskProfileService' not found in /opt/kaltura/app/batch/client/KalturaPlugins/KalturaScheduledTaskClientPlugin.php on line 227

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2016-08-04 10:21:04 [0.000848] [10.40.4.138] [808294179] [API] [KalturaStatement->execute] DEBUG: Sql took - 0.00041508674621582 seconds
2016-08-04 10:21:04 [0.001039] [10.40.4.138] [808294179] [API] [KalturaFrontController->getExceptionObject] ERR: exception 'KalturaAPIException' with message 'Unknown uiConf [0]' in /opt/kaltura/app/api_v3/services/UiConfService.php:111
Stack trace:
#0 [internal function]: UiConfService->getAction(0)
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2016-08-04 10:21:04 [0.000819] [10.40.4.138] [808294179] [API] [KalturaStatement->execute] DEBUG: Sql took - 0.00042986869812012 seconds
2016-08-04 10:21:04 [0.000528] [10.40.4.138] [808294179] [API] [KalturaFrontController->getExceptionObject] ERR: exception 'KalturaAPIException' with message 'Unknown uiConf [0]' in /opt/kaltura/app/api_v3/services/UiConfService.php:111
Stack trace:
#0 [internal function]: UiConfService->getAction(0)
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