ERR start must be before end: Error: start must be before end at rangeFromPositions (vscode-file://vscode-app/c:/Code/vscode/out/vs/editor/common/core/edits/textEdit.js:305:15) ...

It means the command was not registered because jbang-vscode failed to start, most likely because vscode-java failed to start. There's literally nothing we can do if that happens ...