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NotImplementedException Occurred when Getting Slide Background EffectFormat

Please browse the files in the following package or create a new and empty PPT file.

empty.pptx.zip (25.1 KB)

When I run the code, an NotImplementedException is thrown.

Presentation presentation = new Presentation(filePath);
presentation.getSlides().get_Item(0).getBackground().getEffectFormat().getEffective();

spnashot.png (112.8 KB)

The following is the error stack information:

class com.aspose.slides.exceptions.NotImplementedException: The method or operation is not implemented
    com.aspose.slides.ny.do(Unknown Source)
    com.aspose.slides.long.do(Unknown Source)
    com.aspose.slides.long.do(Unknown Source)
    com.aspose.slides.goto.do(Unknown Source)
    com.aspose.slides.goto.do(Unknown Source)
    com.aspose.slides.EffectFormat.byte(Unknown Source)
    com.aspose.slides.EffectFormat.getEffective(Unknown Source)

Will this attribute be abandoned?

OS: macOS 13.1
JVM: OpenJDK 64-Bit Server VM (17.0.1+12-39, mixed mode, emulated-client, sharing)
Java: version 17.0.1, vendor Oracle Corporation
SDK: aspose-java 22.12

@oscarstar,
Thank you for reporting the issue.

I’ve reproduced the NotImplementedException exception and added a ticket with ID SLIDESJAVA-39082 to our issue-tracking system. We apologize for any inconvenience. Our development team will investigate the case. You will be notified when a new release of Aspose.Slides with a fix is published.