Deprecated: Creation of dynamic property Profile_Sessions::$elasticSearch is deprecated in /app/Sources/Modules/Profiles/Sessions.php on line 20

Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /app/Sources/ElasticSearch.php:289 Stack trace: #0 /app/Sources/ElasticSearch.php(31): ElasticSearch->issueRequest('http://play.sa-...', '{\n "_source": ...') #1 /app/Sources/Modules/Profiles/Sessions.php(67): ElasticSearch->queryRecentSessions('127780', 50) #2 /app/Sources/Modules/Profiles/Sessions.php(44): Profile_Sessions->displaySessionList('127780', Array) #3 /app/Sources/Modules/Profiles/Frontpage.php(157): Profile_Sessions->dispatch(Array) #4 /app/Sources/Modules/Profiles/Frontpage.php(68): Profile_Frontpage->dispatchValidProfile(Object(Request), Array) #5 /app/Sources/ModuleBase.php(119): Profile_Frontpage->onRequest(Object(Request), NULL) #6 /app/Sources/Modules/Players.php(63): ModuleBase::dispatch(Object(Request), Object(User), Object(Layout), Object(Database), Object(Cache)) #7 /app/Sources/ModuleBase.php(119): Players->onRequest(Object(Request), Array) #8 /app/index.php(281): ModuleBase::dispatch(Object(Request), Object(User), Object(Layout), Object(Database), Object(Cache)) #9 {main} thrown in /app/Sources/ElasticSearch.php on line 289