[jluaioyj]

OS: Linux Mint 22.1 Xfce 64-bit

Error dialog containing this pops up, when try to convert any format to MD, thus unusable:

calibre, version 8.4.0
ERROR: Unhandled exception: <b>AttributeError</b>:'PluginWidget' object has no attribute 'gridLayout'

calibre 8.4 embedded-python: True
Linux-6.11.0-25-generic-x86_64-with-glibc2.39 Linux ('64bit', 'ELF')
('Linux', '6.11.0-25-generic', '#25~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Apr 15 17:20:50 UTC 2')
Python 3.11.12
Interface language: None
EXE path: /opt/calibre/bin/calibre
Successfully initialized third party plugins: DeACSM (0, 0, 16) && Gather KFX-ZIP (from KFX Input) (2, 24, 0) && DeDRM (7, 2, 1) && Package KFX (from KFX Input) (2, 24, 0) && Action Chains (1, 20, 10) && Annotations (1, 17, 13) && Audit Log (1, 0, 19) && Author Book Count (2, 2, 3) && Author Book Count Hierarchy (1, 2, 5) && Auto Datestamp and View (0, 0, 9) && Backup Configuration Folder (1, 1, 2) && Barnes & Noble (1, 5, 7) && Calibre Power Search Plugin (2, 2, 0) && CalibreSpy (1, 0, 92) && Category Tags (0, 3, 2) && Check Books (0, 1, 8) && Clean Comments (0, 2, 1) && Clean Metadata (0, 0, 6) && Clipboard Search (1, 5, 1) && Comicvine (0, 14, 2) && Comments Cleaner (1, 15, 0) && Consolidate All Library Metadata (2, 0, 46) && Copy Cover To Device (2, 0, 4) && Count Pages (1, 13, 6) && Diaps Editing Toolbag (0, 5, 0) && Drop Search Results (1, 0, 14) && Editor Chains (1, 1, 9) && Embed Comic Metadata (1, 6, 6) && Entities Manager (1, 0, 19) && Epub Metaguider GUI (intellireading.com) (1, 0, 2) && Epub Metaguider output format (intellireading.com) (1, 0, 2) && Epub Metaguider post processor (intellireading.com) (1, 0, 2) && EpubCheck (0, 2, 5) && EpubMerge (3, 2, 0) && EpubSplit (3, 10, 0) && Extract ISBN (1, 6, 5) && Extract People Other Metadata (1, 0, 0) && FanFicFare (4, 45, 0) && Fantastic Fiction (1, 7, 2) && Favourites Menu (1, 3, 1) && Find Duplicates (1, 10, 9) && Generate Cover (2, 3, 5) && Goodreads (1, 8, 3) && Goodreads More Tags (1, 2, 1, 2) && Hardcover (0, 2, 2) && Import List (1, 9, 8) && Job Spy (1, 0, 239) && KFX metadata reader (from KFX Input) (2, 24, 0) && From KFX (2, 24, 0) && KFX Input (2, 24, 0) && Kindle Collections (1, 7, 29) && Kindle hi-res covers (0, 5, 1) && KindleUnpack - The Plugin (0, 83, 7) && Kobo Metadata (1, 11, 0) && Kobo Utilities (2, 23, 0) && LanguageTool (0, 1, 3) && Last Modified (0, 8, 5) && Library Codes - SRU (2, 0, 4) && Manage Series (1, 5, 2) && Markdown Output (1, 0, 3) && Media File Importer (1, 0, 27) && Modify ePub (1, 8, 6) && MultiColumnSearch (1, 0, 96) && OPML Importer (1, 0, 1) && Open With (1, 8, 4) && PDF Cover (0, 1, 0) && Quality Check (1, 14, 2) && Quick Preferences (1, 7, 1) && Reading List (1, 15, 4) && Recoll Full Text Search (1, 0, 1) && Reformat plugin (2, 4, 0) && Save Composite Custom Columns (1, 1, 1) && Scroll Book Details (1, 0, 2) && Search The Internet (1, 11, 3) && Similar Stories (1, 0, 58) && Standard Ebooks (1, 0, 0) && TextDiff (1, 2, 4) && User Category (1, 6, 1) && View Manager (1, 10, 3) && Walk Search History (1, 5, 4) && Wiki Reader (2, 2, 1) && Wikidata (2, 0, 0) && Wikidata gui (2, 0, 0) && ePub Extended Metadata {Writer} (0, 11, 4) && ePub Extended Metadata {Reader} (0, 11, 4) && ePub Extended Metadata (0, 11, 4)
Traceback (most recent call last):
File "calibre/gui2/convert/single.py", line 241, in setup_pipeline
File "calibre_plugins.markdown_output.markdown_outp ut", line 88, in gui_configuration_widget
return PluginWidget(parent, get_option_by_name, get_option_help, db, book_id)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^
File "calibre_plugins.markdown_output.ui", line 32, in __init__
Widget.__init__(self, parent, option)
File "calibre/gui2/convert/__init__.py", line 81, in __init__
File "calibre_plugins.markdown_output.ui", line 20, in setupUi
delete(self.gridLayout,self.label_4)
^^^^^^^^^^^^^^^
AttributeError: 'PluginWidget' object has no attribute 'gridLayout'