We got this kind of error on the log file :

Jun 19 11:19:34 172.18.0.1 - - [19/Jun/2024:09:19:33 +0000] “POST /api/v1/live_preview?entity=quote&entity_id=l4zbq2dprO HTTP/1.1” 500 798 “https://{{oursubdomain}}/quotes/l4zbq2dprO/edit” “Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 OPR/109.0.0.0”

Laravel Log :

production.ERROR: The process has been signaled with signal "6". {"userId":3,"exception":"[object] (Exception(code: 0): The process has been signaled with signal \"6\". at /app/code/app/Services/Pdf/PdfService.php:106)
[stacktrace]
#0 /app/code/app/Http/Controllers/PreviewController.php(82): App\\Services\\Pdf\\PdfService->getPdf()
#1 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): App\\Http\\Controllers\\PreviewController->live()
#2 /app/code/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(43): Illuminate\\Routing\\Controller->callAction()
#3 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Tracing/Routing/TracingControllerDispatcherTracing.php(21): Illuminate\\Routing\\ControllerDispatcher->dispatch()
#4 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Tracing/Routing/TracingRoutingDispatcher.php(19): Sentry\\Laravel\\Tracing\\Routing\\TracingControllerDispatcherTracing->Sentry\\Laravel\\Tracing\\Routing\\{closure}()
#5 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Tracing/Routing/TracingControllerDispatcherTracing.php(20): Sentry\\Laravel\\Tracing\\Routing\\TracingRoutingDispatcher->wrapRouteDispatch()
#6 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Route.php(259): Sentry\\Laravel\\Tracing\\Routing\\TracingControllerDispatcherTracing->dispatch()
#7 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Route.php(205): Illuminate\\Routing\\Route->runController()
#8 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Router.php(806): Illuminate\\Routing\\Route->run()
#9 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}()
#10 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Middleware/ThrottleRequests.php(122): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#11 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Middleware/ThrottleRequests.php(87): Illuminate\\Routing\\Middleware\\ThrottleRequests->handleRequestUsingNamedLimiter()
#12 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Routing\\Middleware\\ThrottleRequests->handle()
#13 /app/code/app/Http/Middleware/QueryLogging.php(39): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#14 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\\Http\\Middleware\\QueryLogging->handle()
#15 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(50): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#16 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Routing\\Middleware\\SubstituteBindings->handle()
#17 /app/code/app/Http/Middleware/Locale.php(95): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#18 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\\Http\\Middleware\\Locale->handle()
#19 /app/code/app/Http/Middleware/TokenAuth.php(102): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#20 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\\Http\\Middleware\\TokenAuth->handle()
#21 /app/code/app/Http/Middleware/SetDb.php(40): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#22 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\\Http\\Middleware\\SetDb->handle()
#23 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#24 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Router.php(805): Illuminate\\Pipeline\\Pipeline->then()
#25 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Router.php(784): Illuminate\\Routing\\Router->runRouteWithinStack()
#26 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Router.php(748): Illuminate\\Routing\\Router->runRoute()
#27 /app/code/vendor/laravel/framework/src/Illuminate/Routing/Router.php(737): Illuminate\\Routing\\Router->dispatchToRoute()
#28 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(200): Illuminate\\Routing\\Router->dispatch()
#29 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}()
#30 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Http/SetRequestIpMiddleware.php(45): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#31 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Sentry\\Laravel\\Http\\SetRequestIpMiddleware->handle()
#32 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Http/SetRequestMiddleware.php(31): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#33 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Sentry\\Laravel\\Http\\SetRequestMiddleware->handle()
#34 /app/code/vendor/livewire/livewire/src/Features/SupportDisablingBackButtonCache/DisableBackButtonCacheMiddleware.php(19): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#35 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Livewire\\Features\\SupportDisablingBackButtonCache\\DisableBackButtonCacheMiddleware->handle()
#36 /app/code/app/Http/Middleware/Cors.php(24): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#37 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\\Http\\Middleware\\Cors->handle()
#38 /app/code/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php(39): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#39 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Http\\Middleware\\TrustProxies->handle()
#40 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#41 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#42 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Foundation\\Http\\Middleware\\ConvertEmptyStringsToNull->handle()
#43 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#44 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(40): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#45 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Foundation\\Http\\Middleware\\TrimStrings->handle()
#46 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#47 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle()
#48 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(99): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#49 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\\Foundation\\Http\\Middleware\\PreventRequestsDuringMaintenance->handle()
#50 /app/code/vendor/sentry/sentry-laravel/src/Sentry/Laravel/Tracing/Middleware.php(87): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#51 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Sentry\\Laravel\\Tracing\\Middleware->handle()
#52 /app/code/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#53 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(175): Illuminate\\Pipeline\\Pipeline->then()
#54 /app/code/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(144): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter()
#55 /app/code/public/index.php(56): Illuminate\\Foundation\\Http\\Kernel->handle()
#56 {main}

Where the error occurs :

 89 public function getPdf()
 90     {
 91         try {
 92             $pdf = $this->resolvePdfEngine($this->getHtml());
 93
 94             $numbered_pdf = $this->pageNumbering($pdf, $this->company);
 95
 96             if ($numbered_pdf) {
 97                 $pdf = $numbered_pdf;
 98             }
 99
100             if($this->config->entity_string == "invoice" && $this->config->settings->enable_e_invoice) {
101                 $pdf = $this->checkEInvoice($pdf);
102             }
103
104         } catch (\Exception $e) {
105             nlog(print_r($e->getMessage(), 1));
106             throw new \Exception($e->getMessage(), $e->getCode());
107         }