When you have enabled "Highlight properties link when upkeep is greater than X" setting in the "Sidebar" settings, but in the same time you are traveling, the extension throws the following error:
TypeError: Cannot read properties of null (reading 'classList') at addHighlight (chrome-extension://.../scripts/features/highlight-properties/ttHighlightProperties.js:29:125)
When you have enabled "Highlight properties link when upkeep is greater than X" setting in the "Sidebar" settings, but in the same time you are traveling, the extension throws the following error:
TypeError: Cannot read properties of null (reading 'classList') at addHighlight (chrome-extension://.../scripts/features/highlight-properties/ttHighlightProperties.js:29:125)