Fatal error: Uncaught TypeError: date_format(): Argument #1 ($object) must be of type DateTimeInterface, false given in /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/class.lise_datetime_utils.php:121 Stack trace: #0 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/class.lise_datetime_utils.php(121): date_format(false, 'Z') #1 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/fielddefs/SelectDateTime/liseeh.SelectDateTime.php(179): lise_datetime_utils::date_to_unix_ts('1483138800') #2 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/class.LISEItemOperations.php(392): liseeh_SelectDateTime->OnItemLoad(Object(LISEZmluvy2016)) #3 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/framework/action.default.php(284): LISEItemOperations::Load(Object(LISEZmluvy2016), Object(LISEItem), Array, false) #4 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/class.LISEInstance.php(532): include('/data/5/8/58ead...') #5 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/classes/class.CMSModule.php(1483): LISEInstance->DoAction('default', 'm1244b', Array, '248') #6 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/functions/module.functions.php(106): CMSModule->DoActionBase('default', 'm1244b', Array, '248', Object(CMS_Smarty_Template)) #7 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/classes/class.CMSModule.php(253): cms_module_plugin(Array, Object(CMS_Smarty_Template)) #8 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/tmp/templates_c/248content_en^62e936251e4799749e89fa9828a0ee7332eb5816_0.content.content_en.php(24): CMSModule::function_plugin(Array, Object(CMS_Smarty_Template)) #9 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_template_resource_base.php(123): content_676c58955eeb79_99869548(Object(CMS_Smarty_Template)) #10 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(CMS_Smarty_Template)) #11 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render(Object(CMS_Smarty_Template)) #12 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render(false, 0) #13 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_templatebase.php(116): Smarty_Internal_TemplateBase->_execute(Object(CMS_Smarty_Template), 'p248|content_en', '248content_en', NULL, 0) #14 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/classes/internal/class.CMS_Smarty_Template.php(20): Smarty_Internal_TemplateBase->fetch('content:content...', 'p248|content_en', '248content_en', NULL) #15 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/classes/internal/class.CMS_Content_Block.php(316): CMS_Smarty_Template->fetch('content:content...', 'p248|content_en', '248content_en') #16 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/tmp/templates_c/d833eb56734d1f446bb644beb9f915e73541b0e8_0.tpl_top.106.php(32): CMS_Content_Block::smarty_internal_fetch_contentblock(Array, Object(CMS_Smarty_Template)) #17 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_template_resource_base.php(123): content_676bd15b2c0e69_45888176(Object(CMS_Smarty_Template)) #18 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(CMS_Smarty_Template)) #19 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render(Object(CMS_Smarty_Template)) #20 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render(false, 0) #21 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/smarty/sysplugins/smarty_internal_templatebase.php(116): Smarty_Internal_TemplateBase->_execute(Object(CMS_Smarty_Template), 'p248', NULL, NULL, 0) #22 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/lib/classes/internal/class.CMS_Smarty_Template.php(20): Smarty_Internal_TemplateBase->fetch(NULL, 'p248', NULL, NULL) #23 /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/index.php(151): CMS_Smarty_Template->fetch() #24 {main} thrown in /data/5/8/58ead5b2-4a2d-4a24-9a7e-0d681a2abe27/skola-varin.sk/web/modules/LISE/lib/class.lise_datetime_utils.php on line 121