Can't convert pptx file. Class com.aspose.slides.PptxReadException: Unknown series type

When I try to convert pptx file I get this exception
Exception in thread “main” class com.aspose.slides.PptxReadException: Unknown series type —> class com.aspose.slides.exceptions.Exception: Unknown series type
com.aspose.slides.ep.do(Unknown Source)
com.aspose.slides.eq.do(Unknown Source)
com.aspose.slides.eq.do(Unknown Source)
com.aspose.slides.e7.do(Unknown Source)
com.aspose.slides.q4.do(Unknown Source)
com.aspose.slides.q4.do(Unknown Source)
com.aspose.slides.bg.do(Unknown Source)
com.aspose.slides.akk.do(Unknown Source)
com.aspose.slides.af0.do(Unknown Source)
com.aspose.slides.afr.byte(Unknown Source)
com.aspose.slides.afr.do(Unknown Source)
com.aspose.slides.Presentation.if(Unknown Source)
com.aspose.slides.Presentation.do(Unknown Source)
com.aspose.slides.Presentation.do(Unknown Source)
com.aspose.slides.Presentation.do(Unknown Source)
com.aspose.slides.Presentation.(Unknown Source)

My environment:
aspose-slides-20.07-jdk16
java version “1.8.0_102”
Java™ SE Runtime Environment (build 1.8.0_102-b14)
Java HotSpot™ 64-Bit Server VM (build 25.102-b14, mixed mode)

File for testing: TestFP.pptx.zip (728.4 KB)
Test project: asposepom.zip (744.1 KB)

@Alexander9132,

A ticket with ID SLIDESJAVA-38172 has been created in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.

Hi there, i have the same issue using Aspose Slides 20.8 for .Net

@obrusentsov

The concerned issue is not yet resolved. We requested for your patience and will share the good news with you as soon as the issue will be fixed.

Hi Mudassir, Do we have an expected date of resolution for this ticket?

@reach.sathya

The concerned ticket is blocked owing to internal limitation of API. We request for your patience and will share the good news with you as soon as the issue will be fixed.

Hi there. Is there any good news since new version has been released?

@obrusentsov

I regret to share that the concerned issue is still unresolved. We will share the feedback with you as soon as the issue will be fixed.

The issues you have found earlier (filed as SLIDESJAVA-38172) have been fixed in this update.