I've run into various types of errors with 1.3.10 while importing various .enex files. Here are three examples. Most of them have been encountered more than once.

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string or an instance of Buffer or URL. Received undefined
TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string or an instance of Buffer or URL. Received undefined
    at Object.stat (node:fs:1061:10)
    at Object.stat (/Users/someuser/.joplin-bin/lib/node_modules/joplin/node_modules/graceful-fs/polyfills.js:298:16)
    at isSrcSubdir (/Users/someuser/.joplin-bin/lib/node_modules/joplin/node_modules/fs-extra/lib/move/index.js:153:6)
    at Object.move (/Users/someuser/.joplin-bin/lib/node_modules/joplin/node_modules/fs-extra/lib/move/index.js:24:3)
    at /Users/someuser/.joplin-bin/lib/node_modules/joplin/node_modules/universalify/index.js:13:12
    at new Promise (<anonymous>)
    at Object.move (/Users/someuser/.joplin-bin/lib/node_modules/joplin/node_modules/universalify/index.js:7:14)
    at saveNoteResources (/Users/someuser/.joplin-bin/lib/node_modules/joplin/lib/import-enex.js:183:12)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:93:5) {
  code: 'ERR_INVALID_ARG_TYPE'
}

...

[Error: ENOENT: no such file or directory, stat '/Users/someuser/.config/joplin/tmp/717f4e9cfd5d88b3fd8c040ccde840de.base64.decoded'] {
  errno: -2,
  code: 'ENOENT',
  syscall: 'stat',
  path: '/Users/someuser/.config/joplin/tmp/717f4e9cfd5d88b3fd8c040ccde840de.base64.decoded'
}

...

Error: EISDIR: illegal operation on a directory, read