Exception

Database Exceptionyii\db\Exception

SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'drmauro_drmauro.glosario.palabra' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
The SQL being executed was: SELECT UPPER(LEFT(TRIM(palabra), LENGTH(1))) as letra FROM `glosario` WHERE publicar = 1 GROUP BY LEFT(TRIM(palabra), LENGTH(1)) ORDER BY LEFT(TRIM(palabra), LENGTH(1))

Error Info: Array
(
    [0] => 42000
    [1] => 1055
    [2] => Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'drmauro_drmauro.glosario.palabra' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
)
$_SERVER = [
    'USER' => 'drmauro',
    'HOME' => '/home/drmauro',
    'FCGI_ROLE' => 'RESPONDER',
    'REDIRECT_REDIRECT_UNIQUE_ID' => 'ZflW_kGvBbKDu9N9YE-LcAAAAYM',
    'REDIRECT_REDIRECT_SCRIPT_URL' => '/glosario',
    'REDIRECT_REDIRECT_SCRIPT_URI' => 'https://drmauro.com/glosario',
    'REDIRECT_REDIRECT_HTTPS' => 'on',
    'REDIRECT_REDIRECT_SSL_TLS_SNI' => 'drmauro.com',
    'REDIRECT_REDIRECT_STATUS' => '200',
    'REDIRECT_UNIQUE_ID' => 'ZflW_kGvBbKDu9N9YE-LcAAAAYM',
    'REDIRECT_SCRIPT_URL' => '/glosario',
    'REDIRECT_SCRIPT_URI' => 'https://drmauro.com/glosario',
    'REDIRECT_HTTPS' => 'on',
    'REDIRECT_SSL_TLS_SNI' => 'drmauro.com',
    'REDIRECT_STATUS' => '200',
    'UNIQUE_ID' => 'ZflW_kGvBbKDu9N9YE-LcAAAAYM',
    'SCRIPT_URL' => '/glosario',
    'SCRIPT_URI' => 'https://drmauro.com/glosario',
    'HTTPS' => 'on',
    'SSL_TLS_SNI' => 'drmauro.com',
    'proxy-nokeepalive' => '1',
    'HTTP_ACCEPT' => '*/*',
    'HTTP_USER_AGENT' => 'claudebot',
    'HTTP_HOST' => 'drmauro.com',
    'HTTP_X_HTTPS' => '1',
    'PATH' => '/usr/local/jdk/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/usr/X11R6/bin:/root/bin:/opt/bin',
    'SERVER_SIGNATURE' => '',
    'SERVER_SOFTWARE' => 'Apache',
    'SERVER_NAME' => 'drmauro.com',
    'SERVER_ADDR' => '144.208.69.201',
    'SERVER_PORT' => '443',
    'REMOTE_ADDR' => '3.236.111.234',
    'DOCUMENT_ROOT' => '/home/drmauro/public_html',
    'REQUEST_SCHEME' => 'https',
    'CONTEXT_PREFIX' => '',
    'CONTEXT_DOCUMENT_ROOT' => '/home/drmauro/public_html',
    'SERVER_ADMIN' => 'webmaster@drmauro.com',
    'SCRIPT_FILENAME' => '/home/drmauro/public_html/frontend/web/index.php',
    'REMOTE_PORT' => '58264',
    'REDIRECT_URL' => '/frontend/web/glosario',
    'GATEWAY_INTERFACE' => 'CGI/1.1',
    'SERVER_PROTOCOL' => 'HTTP/1.1',
    'REQUEST_METHOD' => 'GET',
    'QUERY_STRING' => '',
    'REQUEST_URI' => '/glosario',
    'SCRIPT_NAME' => '/frontend/web/index.php',
    'PHP_SELF' => '/frontend/web/index.php',
    'REQUEST_TIME_FLOAT' => 1710839550.833197116851806640625,
    'REQUEST_TIME' => 1710839550,
    'argv' => [],
    'argc' => 0,
];