Professional Print & Layout crashes when attempting to read bit depth information

bad_printer — Tue, 01 Sep 2026 22:29:41 GMT

I was attempting to print a file, but the program would crash immediately on Windows without providing a stacktrace.

I decided to run this on my Mac, which generally provides a stack trace upon crashing, which it did:

```

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------
Process: CNPPLAPP [PID]
Path: /Applications/Canon Utilities/*/CNPPLAPP.app/Contents/MacOS/CNPPLAPP
Identifier: jp.co.canon.CNPPLAPP
Version: 1.6.1 (1.6.1)
Code Type: ARM-64 (Native)
Role: Background
Parent Process: launchd [1]
Coalition: jp.co.canon.CNPPLAPP [COALITION_ID]
User ID: 501

Date/Time: 2026-08-31 00:00:00.0000 -0700
Launch Time: 2026-08-31 00:00:00.0000 -0700
Hardware Model: Mac14,2
OS Version: macOS 26.x.x (Build)
Release Type: User

Crash Reporter Key: 00000000-0000-0000-0000-000000000000
Incident Identifier: 00000000-0000-0000-0000-000000000000

Sleep/Wake UUID: 00000000-0000-0000-0000-000000000000

Time Awake Since Boot: 150000 seconds
Time Since Wake: 441 seconds

System Integrity Protection: enabled

Triggered by Thread: 10

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000008
Exception Codes: 0x0000000000000001, 0x0000000000000008

Termination Reason: Namespace SIGNAL, Code 11, Segmentation fault: 11
Terminating Process: exc handler [PID]

Thread 10 Crashed:
0 CNPPLAPP psp::model::DataStore::data() const + 0
1 CNPPLAPP psp::model::IPLParamConverter::convertImageData(psp::model::ImageData const*) + 40
2 CNPPLAPP psp::model::ImageProcessor::processPrintImage(...) + 864
3 CNPPLAPP psp::model::ImageManager::getPrintImageData(...) + 1524
4 CNPPLAPP psp::model::ImageDataCreatorItem::createPrintImage(...) + 208
5 CNPPLAPP std::__1::__function::__func<...>::operator()(...) + 252
6 CNPPLAPP psp::model::ImageDataCreator::createImage(...) + 104
7 CNPPLAPP psp::model::ImageDataCreator::createPrintImage(...) + 440
8 CNPPLAPP psp::model::PrintImageRender::renderIfNeeded(...) + 1052
9 CNPPLAPP psp::model::PrintPageContent::render(...) + 112
10 CNPPLAPP psp::model::Print::callbackRequestCanvasRendering(...) + 92
11 CanonIJDirectPrint std::__1::__function::__func<...>::operator()() + 52
12 CanonIJDirectPrint dp::print::PrintOperationController::checkCancelBeforeOperation(...) + 68
13 CanonIJDirectPrint dp::print::PrintOperationController::drawCanvasMac(...) + 300
14 CanonIJDirectPrint dp::print::PrintOperationController::createCommand(...) + 176
15 CanonIJDirectPrint dp::print::PrintOperationController::startPrint() + 1492
16 CNPPLAPP psp::model::PrintOperationTask::onExecute() + 52
17 CNPPLAPP psp::common::QueuingTaskBase::execute() + 40
18 CNPPLAPP psp::common::QueuingTaskController::taskExecutor() + 136
19 CNPPLAPP -[PPLThreadExecutor executorForQueuingTaskController:] + 52
20 Foundation __NSThread__start__ + 732
21 libsystem_pthread.dylib _pthread_start + 136
22 libsystem_pthread.dylib thread_start + 8
```

The above stacktrace has been stripped for privacy reasons, but the reproduction process:

1. Export an image using Lightroom.

2. Attempt to use depth information.

3. Program should crash.

The program will print fine without using depth information. I am not sure what specifically causes this, as this is an entirely clean installation. I would send the offending file, but it contains personal information that I am not willing to share.

I originally suspected it to be related to metadata, but I attempted a clean re-export of the offending file using the Preview tool on Mac, which still caused the crash.

Re: Professional Print & Layout crashes when attempting to read bit depth information

Patrick — Thu, 03 Sep 2026 20:52:24 GMT

Hi bad_printer,

It is possible that the image being used is causing the issue.

Please visit the link below and download one of the sample images.

Once you have the image saved, please open it using Professional Print & Layout.

Does the issue persist?

Canon USA - Test Print Images

Did this answer your question? If so, please click the Accept as Solution button below so that others may find the answer as well.

topic Re: Professional Print & Layout crashes when attempting to read bit depth information in Printer Software & Networking

Professional Print & Layout crashes when attempting to read bit depth information

Re: Professional Print & Layout crashes when attempting to read bit depth information