Suddenly httpgd plots stopped working

This is not the first time I have the issue. Sometimes httpgd just stops working and no plot panel is shown after a plot command. Even if I restart VSCode the error persists. I don't know how to fix it. It may be related to my previous report (https://github.com/REditorSupport/vscode-R/issues/1445) to solve which I had to recreate my workspace from scratch.

The output pane I see errors like these:

2023-11-13 10:22:41.418 [error] FetchError: request to http://127.0.0.1:50505/plot?id=0&renderer=svgp&width=800&height=600&zoom=1 failed, reason: socket hang up
	at ClientRequest.<anonymous> (/Users/carlos/.vscode/extensions/reditorsupport.r-2.8.2/dist/extension.js:2:1878046)
	at ClientRequest.emit (node:events:513:28)
	at Socket.socketOnEnd (node:_http_client:526:9)
	at Socket.emit (node:events:525:35)
	at endReadableNT (node:internal/streams/readable:1359:12)
	at process.processTicksAndRejections (node:internal/process/task_queues:82:21)
2023-11-13 10:22:41.546 [error] Error: ENOENT: no such file or directory, open '/var/folders/sz/t88v7mcx541gn9wn9cjsv1600000gn/T/RtmpAVrQQg/vscode-R/workspace.lock'
2023-11-13 10:22:41.810 [error] FetchError: request to http://127.0.0.1:50518/plot?id=0&renderer=svgp&width=800&height=600&zoom=1 failed, reason: socket hang up
	at ClientRequest.<anonymous> (/Users/carlos/.vscode/extensions/reditorsupport.r-2.8.2/dist/extension.js:2:1878046)
	at ClientRequest.emit (node:events:513:28)

To Reproduce

This is just too random to give you a recipe. Hope the trace above helps.

Can you fix this issue by yourself? (We appreciate the help)

No.

Start by comparing the socket hang-up and workspace.lock ENOENT errors in the reported extension output with the related issue #1445. Investigate the httpgd plot-panel path and gather a reproducible sequence, since the report says the failure is random. Done means plot commands reliably show the plot panel without either error.