I'm trying to troubleshoot an error that I get while trying to convert all .epub books in Slovene language that I've tried so far (five books). I'm suspecting something is going off on the side of Kindle Previewer. It's of no massive concern as there is a workaround.
I tried it on five .epub files, all failed with the same error.
Conversion attempt appears to freeze momentarily at line:
"Launching Kindle Previewer 3 (unknown_32741376) - CLI"
Then it ends up with:
"Exception: Conversion error: Kindle conversion has encountered an internal error."
Workaround to this. Conversions into .kfx succeed from .kfs or .epub files that were created in Kindle Create program. For example:
.epub converted to .docx, then to .kfs or .epub in Kindle Create, then to .kfx produces working .kfx.
.epub to mobi/azw3/docx, then using CLI to convert mobi/azw3/docx directly to .kfx, fails with the same error.
.epub to .pdf, then to .kfs in Kindle Create via Print Replica also works, but resulting file is then fixed paged .kfx
Full report from CLI:
Quote:
...>calibre-debug -r "KFX Output" -- "Fran S. Finžgar - Pod svobodnim soncem.EPUB" "Fran S. Finžgar - Pod svobodnim soncem.KFX" -d -p 0
Software versions: KFX Output 2.6.1, calibre 7.4, Windows-10-10.0.19045-SP0
KFX Output plugin help is available at https://www.mobileread.com/forums/sh...d.php?t=272407
Converting Fran S. Finžgar - Pod svobodnim soncem.EPUB
Converting "Fran S. Finžgar - Pod svobodnim soncem.EPUB" to KPF
Launching Kindle Previewer 3 (unknown_32741376) - CLI
**************************************************
Kindle Previewer 3.76.0 Copyright (c) Amazon.com
**************************************************
Checking specified arguments.
Pre-processing in progress.
Processing 1/1 book(s).
Book Conversion failed. ...\Fran S. Finžgar - Pod svobodnim soncem.epub
Post-processing in progress.
Writing output/log files to ...\calibre_vd6tryub\vhdljv_j\ys3ra9w3z53poz2c0mcj \0000
****************** Conversion Failure Reason *****************
Kindle conversion has encountered an internal error.
************************************************** ************
************ Kindle Previewer Conversion Guidance ************
Error Kindle conversion has encountered an internal error.
Recommended Fix: Our team needs to investigate this error in order to resolve. Please go to the KPR Help Menu and select the Send Feedback option to inform us of this issue. Please make sure you are signed in and we will provide you with more information within 3 business days. Thank you.
************************************************** ************
Traceback (most recent call last):
File "runpy.py", line 198, in _run_module_as_main
File "runpy.py", line 88, in _run_code
File "site.py", line 95, in <module>
File "site.py", line 90, in main
File "site.py", line 50, in run_entry_point
File "calibre\debug.py", line 283, in main
File "calibre_plugins.kfx_output.__init__", line 265, in cli_main
File "calibre_plugins.kfx_output.__init__", line 311, in convert_using_previewer
File "calibre_plugins.kfx_output.__init__", line 357, in report_failure
Exception: Conversion error: Kindle conversion has encountered an internal error.
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