Hi @LeonidS

I updated to version 13.0.0 and added the following to the end of the inc/header.inc.php file: ini_set('display_errors', 1); just as you indicated.

Once this is done, errors and messages appear when entering https://tnoa.com.ar and after logging in the following appear:

Deprecated: Creation of dynamic property BxTemplPageHome::$_sJsClassName is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php on line 39

Deprecated: Creation of dynamic property BxTemplPageHome::$_sJsObjectName is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php on line 40

Deprecated: Creation of dynamic property BxTemplPageHome::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php on line 45

Deprecated: Creation of dynamic property BxPersonsPrivacy::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePrivacy.php on line 34

Deprecated: Creation of dynamic property BxDolBadgesQuery::$_sTableBadges is deprecated in /home/hypatiac/tnoa.com.ar/inc/classes/BxDolBadgesQuery.php on line 21

Deprecated: Creation of dynamic property BxTimelineConfig::$_aFilesUploaders is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineConfig.php on line 276

Deprecated: Creation of dynamic property BxTimelineConfig::$_bJsMode is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineConfig.php on line 288

Deprecated: Creation of dynamic property BxForumSearchResult::$oFunctions is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBaseSearchResult.php on line 41

Deprecated: Creation of dynamic property BxForumSearchResult::$sFilterName is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/forum/classes/BxForumSearchResult.php on line 53

Deprecated: Creation of dynamic property BxTemplPrivacy::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePrivacy.php on line 34

Deprecated: Creation of dynamic property BxForumMetatags::$_sBrowseUrl is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/forum/classes/BxForumMetatags.php on line 26

Deprecated: Creation of dynamic property BxOrgsPrivacy::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePrivacy.php on line 34

Deprecated: Creation of dynamic property BxOrgsSearchResult::$oFunctions is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBaseSearchResult.php on line 41

Deprecated: Creation of dynamic property BxOrgsSearchResult::$sFilterName is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/organizations/classes/BxOrgsSearchResult.php on line 80

Deprecated: Creation of dynamic property BxPostsSearchResult::$oFunctions is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBaseSearchResult.php on line 41

Deprecated: Creation of dynamic property BxPostsSearchResult::$sFilterName is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/posts/classes/BxPostsSearchResult.php on line 51

Deprecated: Creation of dynamic property BxTemplPrivacy::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePrivacy.php on line 34

Deprecated: Creation of dynamic property BxPersonsSearchResult::$oFunctions is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBaseSearchResult.php on line 41

Deprecated: Creation of dynamic property BxPersonsSearchResult::$sFilterName is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/persons/classes/BxPersonsSearchResult.php on line 70

Deprecated: Creation of dynamic property BxTimelineMenuView::$_bShowDivider is deprecated in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineMenuView.php on line 25

Notice: unserialize(): Error at offset 3979 of 4068 bytes in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php on line 802

Deprecated: Creation of dynamic property BxTimelinePrivacy::$_aHtmlIds is deprecated in /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePrivacy.php on line 34

Deprecated: Creation of dynamic property BxForumCmts::$_aSystems is deprecated in /home/hypatiac/tnoa.com.ar/inc/classes/BxDolCmts.php on line 223

Deprecated: Creation of dynamic property BxForumCmts::$_aSystems is deprecated in /home/hypatiac/tnoa.com.ar/inc/classes/BxDolCmts.php on line 223

Deprecated: Creation of dynamic property BxForumCmts::$_aSystems is deprecated in /home/hypatiac/tnoa.com.ar/inc/classes/BxDolCmts.php on line 223

Notice: unserialize(): Error at offset 3979 of 4068 bytes in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php on line 3055

Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, bool given in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php:3055 Stack trace: #0 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(3055): array_merge(Array, false) #1 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(1538): BxTimelineTemplate->_getCommonData(Array, Array) #2 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(1590): BxTimelineTemplate->getData(Array, Array) #3 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(719): BxTimelineTemplate->getDataCached(Array, Array) #4 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(846): BxTimelineTemplate->getPost(Array, Array) #5 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(379): BxTimelineTemplate->getPosts(Array) #6 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php(251): BxTimelineTemplate->getViewBlock(Array) #7 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolModuleProxy.php(49): BxTimelineTemplate->getViewsBlock(Array) #8 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineModule.php(5021): BxDolModuleProxy->__call('getViewsBlock', Array) #9 /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineModule.php(1743): BxTimelineModule->_serviceGetBlockViews(Array) #10 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolRequest.php(129): BxTimelineModule->serviceGetBlockViewsTimeline('feed') #11 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolRequest.php(57): BxDolRequest::_perform(Array, 'BxTimelineModul...', 'serviceGetBlock...', Array, false) #12 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolService.php(52): BxDolRequest::processAsService(Array, 'serviceGetBlock...', Array, 'Module') #13 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolService.php(82): BxDolService::call('bx_timeline', 'get_block_views...', Array, 'Module', false) #14 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(929): BxDolService::callSerialized('a:3:{s:6:"modul...', Array) #15 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(676): BxBasePage->_getBlockService(Array) #16 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(610): BxBasePage->_getBlockCode(Array, 0) #17 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(548): BxBasePage->_getBlockCodeWithCache(Array, 0) #18 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(591): BxBasePage->_getPageCodeVars() #19 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePage.php(204): BxBasePage->_getPageCode() #20 /home/hypatiac/tnoa.com.ar/template/scripts/BxBasePageHome.php(47): BxBasePage->getCode() #21 /home/hypatiac/tnoa.com.ar/inc/classes/BxDolPage.php(696): BxBasePageHome->getCode() #22 /home/hypatiac/tnoa.com.ar/page.php(34): BxDolPage->displayPage() #23 /home/hypatiac/tnoa.com.ar/index.php(35): require_once('/home/hypatiac/...') #24 {main} thrown in /home/hypatiac/tnoa.com.ar/modules/boonex/timeline/classes/BxTimelineTemplate.php on line 3055

Thank you so much.