I'm trying to read a large EPUB textbook. When the e-book viewer tries to load a new section, such as when I click on a link in the TOC, it loads for a moment and then gives this error:
calibre, version 5.22.1
ERROR: Unhandled error: Unknown error
Traceback (most recent call last):
at Number.onload (userscript:viewer.js:17472:21)
at IframeBoss.content_loaded (userscript:viewer.js:26979:22)
at IframeBoss.apply_highlights_on_load (userscript:viewer.js:27808:21)
at range_from_cfi (userscript:viewer.js:14511:21)
at decode (userscript:viewer.js:13821:25)
at node_for_path_step (userscript:viewer.js:13761:20)
at node_at_index (userscript:viewer.js:13723:48)
TypeError: Cannot read property 'calibreRangeWrapper' of undefined
What do I do?