2026-01-19T05:09:44-05:00 CRIT: Laminas\Serializer\Exception\RuntimeException : Serialized data must be a string containing serialized PHP code; received: 
Server Context:
Array
(
    [REDIRECT_SCRIPT_URL] => /vufind/EDS/Search
    [REDIRECT_SCRIPT_URI] => https://ersearch2.cvtisr.sk/vufind/EDS/Search
    [REDIRECT_VUFIND_LOCAL_DIR] => /usr/local/vufind/local
    [REDIRECT_VUFIND_LOCAL_MODULES] => cvti
    [REDIRECT_Shib-Handler] => https://ersearch2.cvtisr.sk/Shibboleth.sso
    [REDIRECT_HTTPS] => on
    [REDIRECT_STATUS] => 200
    [SCRIPT_URL] => /vufind/EDS/Search
    [SCRIPT_URI] => https://ersearch2.cvtisr.sk/vufind/EDS/Search
    [VUFIND_LOCAL_DIR] => /usr/local/vufind/local
    [VUFIND_LOCAL_MODULES] => cvti
    [Shib-Handler] => https://ersearch2.cvtisr.sk/Shibboleth.sso
    [HTTPS] => on
    [SSL_SERVER_S_DN_C] => SK
    [SSL_SERVER_S_DN_ST] => SK
    [SSL_SERVER_S_DN_L] => Bratislava
    [SSL_SERVER_S_DN_O] => CVTISR
    [SSL_SERVER_S_DN_OU] => OIT
    [SSL_SERVER_S_DN_CN] => ersearch2.cvtisr.sk
    [SSL_SERVER_S_DN_Email] => dctech@cvtisr.sk
    [SSL_SERVER_I_DN_C] => SK
    [SSL_SERVER_I_DN_ST] => SK
    [SSL_SERVER_I_DN_L] => Bratislava
    [SSL_SERVER_I_DN_O] => CVTISR
    [SSL_SERVER_I_DN_OU] => OIT
    [SSL_SERVER_I_DN_CN] => ersearch2.cvtisr.sk
    [SSL_SERVER_I_DN_Email] => dctech@cvtisr.sk
    [SSL_VERSION_INTERFACE] => mod_ssl/2.4.58
    [SSL_VERSION_LIBRARY] => OpenSSL/3.0.13
    [SSL_PROTOCOL] => TLSv1.2
    [SSL_SECURE_RENEG] => true
    [SSL_COMPRESS_METHOD] => NULL
    [SSL_CIPHER] => ECDHE-RSA-AES128-SHA
    [SSL_CIPHER_EXPORT] => false
    [SSL_CIPHER_USEKEYSIZE] => 128
    [SSL_CIPHER_ALGKEYSIZE] => 128
    [SSL_CLIENT_VERIFY] => NONE
    [SSL_SERVER_M_VERSION] => 3
    [SSL_SERVER_M_SERIAL] => 03644DBC2D568C50CB99DFD4469EA780EF2DECC3
    [SSL_SERVER_V_START] => Jan 31 13:41:57 2025 GMT
    [SSL_SERVER_V_END] => Jan 31 13:41:57 2026 GMT
    [SSL_SERVER_S_DN] => emailAddress=dctech@cvtisr.sk,CN=ersearch2.cvtisr.sk,OU=OIT,O=CVTISR,L=Bratislava,ST=SK,C=SK
    [SSL_SERVER_I_DN] => emailAddress=dctech@cvtisr.sk,CN=ersearch2.cvtisr.sk,OU=OIT,O=CVTISR,L=Bratislava,ST=SK,C=SK
    [SSL_SERVER_A_KEY] => rsaEncryption
    [SSL_SERVER_A_SIG] => sha256WithRSAEncryption
    [SSL_SESSION_ID] => 4b63f784c43745aacc21394a6f59584df587a4e9da914d110e6d3a985b10ee10
    [SSL_SESSION_RESUMED] => Resumed
    [HTTP_ACCEPT] => */*
    [HTTP_USER_AGENT] => Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
    [HTTP_COOKIE] => ui=standard; VUFIND_SESSION=jjps980u75e0th4oekgf772kmb; language=sk
    [HTTP_ACCEPT_ENCODING] => gzip, br, zstd, deflate
    [HTTP_HOST] => ersearch2.cvtisr.sk
    [PATH] => /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin
    [SERVER_SIGNATURE] => 
    [SERVER_SOFTWARE] => Apache
    [SERVER_NAME] => ersearch2.cvtisr.sk
    [SERVER_ADDR] => 10.21.154.12
    [SERVER_PORT] => 443
    [REMOTE_ADDR] => 10.23.50.154
    [DOCUMENT_ROOT] => /var/www/html
    [REQUEST_SCHEME] => https
    [CONTEXT_PREFIX] => /vufind
    [CONTEXT_DOCUMENT_ROOT] => /usr/local/vufind/public
    [SERVER_ADMIN] => webmaster@localhost
    [SCRIPT_FILENAME] => /usr/local/vufind/public/index.php
    [REMOTE_PORT] => 29357
    [REMOTE_USER] => 
    [REDIRECT_URL] => /vufind/EDS/Search
    [REDIRECT_QUERY_STRING] => lookfor=%28%28+coding+AND+decoding+%28technicka+OR+technikal%29+%29+OR+%28+coding+AND+decoding+technica+%29%29%2A&type=AllFields
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_PROTOCOL] => HTTP/1.1
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => lookfor=%28%28+coding+AND+decoding+%28technicka+OR+technikal%29+%29+OR+%28+coding+AND+decoding+technica+%29%29%2A&type=AllFields
    [REQUEST_URI] => /vufind/EDS/Search?lookfor=%28%28+coding+AND+decoding+%28technicka+OR+technikal%29+%29+OR+%28+coding+AND+decoding+technica+%29%29%2A&type=AllFields
    [SCRIPT_NAME] => /vufind/index.php
    [PHP_SELF] => /vufind/index.php
    [PHP_AUTH_USER] => 
    [REQUEST_TIME_FLOAT] => 1768817384.2735
    [REQUEST_TIME] => 1768817384
)

Backtrace:
/usr/local/vufind/vendor/laminas/laminas-cache/src/Storage/Plugin/Serializer.php line 66 - class = Laminas\Serializer\Adapter\PhpSerialize, function = unserialize, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 319 - class = Laminas\Cache\Storage\Plugin\Serializer, function = onReadItemPost, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 169 - class = Laminas\EventManager\EventManager, function = triggerListeners, args: none.
/usr/local/vufind/vendor/laminas/laminas-cache/src/Storage/Adapter/AbstractAdapter.php line 225 - class = Laminas\EventManager\EventManager, function = triggerEvent, args: none.
/usr/local/vufind/vendor/laminas/laminas-cache/src/Storage/Adapter/AbstractAdapter.php line 356 - class = Laminas\Cache\Storage\Adapter\AbstractAdapter, function = triggerPost, args: none.
/usr/local/vufind/vendor/laminas/laminas-cache-storage-adapter-filesystem/src/Filesystem.php line 618 - class = Laminas\Cache\Storage\Adapter\AbstractAdapter, function = getItem, args: none.
/usr/local/vufind/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php line 508 - class = Laminas\Cache\Storage\Adapter\Filesystem, function = getItem, args: none.
/usr/local/vufind/module/VuFindSearch/src/VuFindSearch/Backend/EDS/Backend.php line 205 - class = VuFindSearch\Backend\EDS\Backend, function = getAuthenticationToken, args: none.
unlisted file line unlisted - class = VuFindSearch\Backend\EDS\Backend, function = search, args: none.
/usr/local/vufind/module/VuFindSearch/src/VuFindSearch/Command/CallMethodCommand.php line 137 - function = call_user_func, args: none.
/usr/local/vufind/module/VuFindSearch/src/VuFindSearch/Service.php line 106 - class = VuFindSearch\Command\CallMethodCommand, function = execute, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Search/EDS/Results.php line 80 - class = VuFindSearch\Service, function = invoke, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Search/Base/Results.php line 320 - class = VuFind\Search\EDS\Results, function = performSearch, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Search/SearchRunner.php line 153 - class = VuFind\Search\Base\Results, function = performAndProcessSearch, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Controller/AbstractSearch.php line 378 - class = VuFind\Search\SearchRunner, function = run, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Controller/AbstractSearch.php line 306 - class = VuFind\Controller\AbstractSearch, function = getSearchResultsView, args: none.
/usr/local/vufind/module/VuFind/src/VuFind/Controller/EdsController.php line 97 - class = VuFind\Controller\AbstractSearch, function = resultsAction, args: none.
/usr/local/vufind/vendor/laminas/laminas-mvc/src/Controller/AbstractActionController.php line 72 - class = VuFind\Controller\EdsController, function = searchAction, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 319 - class = Laminas\Mvc\Controller\AbstractActionController, function = onDispatch, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 177 - class = Laminas\EventManager\EventManager, function = triggerListeners, args: none.
/usr/local/vufind/vendor/laminas/laminas-mvc/src/Controller/AbstractController.php line 105 - class = Laminas\EventManager\EventManager, function = triggerEventUntil, args: none.
/usr/local/vufind/vendor/laminas/laminas-mvc/src/DispatchListener.php line 117 - class = Laminas\Mvc\Controller\AbstractController, function = dispatch, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 319 - class = Laminas\Mvc\DispatchListener, function = onDispatch, args: none.
/usr/local/vufind/vendor/laminas/laminas-eventmanager/src/EventManager.php line 177 - class = Laminas\EventManager\EventManager, function = triggerListeners, args: none.
/usr/local/vufind/vendor/laminas/laminas-mvc/src/Application.php line 319 - class = Laminas\EventManager\EventManager, function = triggerEventUntil, args: none.
/usr/local/vufind/public/index.php line 23 - class = Laminas\Mvc\Application, function = run, args: none.