TypeError: Cannot read properties of undefined (reading 'fsPath')

[Abdelkrim]

PlantUML export: Current file diagram produces the following error

version: 2.17.5

TypeError: Cannot read properties of undefined (reading 'fsPath')
	at calculateExportPath (c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\tools.js:107:68)
	at c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\exporter\exportDiagrams.js:83:60
	at Array.reduce (<anonymous>)
	at doExportsLimited (c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\exporter\exportDiagrams.js:76:32)
	at exportDiagrams (c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\exporter\exportDiagrams.js:23:16)
	at c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\exporter\exportDocument.js:58:45
	at Generator.next (<anonymous>)
	at fulfilled (c:\Users\abdel\.vscode\extensions\jebbs.plantuml-2.17.5\out\src\plantuml\exporter\exportDocument.js:5:58)
	at process.processTicksAndRejections (node:internal/process/task_queues:96:5)

[nsk7even]

This has to do something with file path settings. After changing my file organisation I encountered this issue also. Didn't identified the exact cause, but re-enabling the option Export Include Folder Heirarchy solved it for me:

Not sure this is the solution for you also. You may check the settings file directly for any modified options of plantuml and comment them out.