...
Array to string conversion {"exception":"[object] (ErrorException(code: 0): Array to string conversion at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:449)"} 


In NetSnmpQuery.php line 449:
                              
  [ErrorException]            
  Array to string conversion  
                              


Exception trace:
  at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:449
 Illuminate\Foundation\Bootstrap\HandleExceptions->handleError() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php:254
 Illuminate\Foundation\Bootstrap\HandleExceptions->Illuminate\Foundation\Bootstrap\{closure}() at n/a:n/a

 call_user_func() at /opt/librenms/app/Providers/ErrorReportingProvider.php:173
 App\Providers\ErrorReportingProvider->handleError() at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:449
 LibreNMS\Data\Source\NetSnmpQuery->mibDirectories() at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:311

 LibreNMS\Data\Source\NetSnmpQuery->buildCli() at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:389
 LibreNMS\Data\Source\NetSnmpQuery->exec() at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:372
 LibreNMS\Data\Source\NetSnmpQuery->execMultiple() at /opt/librenms/LibreNMS/Data/Source/NetSnmpQuery.php:255

 LibreNMS\Data\Source\NetSnmpQuery->get() at /opt/librenms/LibreNMS/Polling/ConnectivityHelper.php:137
 LibreNMS\Polling\ConnectivityHelper->isSNMPable() at /opt/librenms/LibreNMS/Polling/ConnectivityHelper.php:83

 LibreNMS\Polling\ConnectivityHelper->isUp() at /opt/librenms/LibreNMS/Poller.php:101
 LibreNMS\Poller->poll() at /opt/librenms/app/Console/Commands/DevicePoll.php:44
 App\Console\Commands\DevicePoll->handle() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php:36
 Illuminate\Container\BoundMethod::Illuminate\Container\{closure}() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Container/Util.php:41

 Illuminate\Container\Util::unwrapIfClosure() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php:93
 Illuminate\Container\BoundMethod::callBoundMethod() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php:37

 Illuminate\Container\BoundMethod::call() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Container/Container.php:662
 Illuminate\Container\Container->call() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Console/Command.php:208
 Illuminate\Console\Command->execute() at /opt/librenms/vendor/symfony/console/Command/Command.php:326

 Symfony\Component\Console\Command\Command->run() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Console/Command.php:178
 Illuminate\Console\Command->run() at /opt/librenms/vendor/symfony/console/Application.php:1081

 Symfony\Component\Console\Application->doRunCommand() at /opt/librenms/vendor/symfony/console/Application.php:320
 Symfony\Component\Console\Application->doRun() at /opt/librenms/vendor/symfony/console/Application.php:174
 Symfony\Component\Console\Application->run() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php:201

 Illuminate\Foundation\Console\Kernel->handle() at /opt/librenms/app/Console/Kernel.php:66
 App\Console\Kernel->handle() at /opt/librenms/lnms:40
...