Download http://localhost:4546/run/001_hello.js
error: Integrity check failed for remote specifier. The source code is invalid, as it does not match the expected hash in the lock file.

  Specifier: http://localhost:4546/run/001_hello.js
  Actual: Redirect to http://localhost:4545/run/001_hello.js
  Expected: c479db5ea26965387423ca438bb977d0b4788d5901efcef52f69871e4c1048c5

This could be caused by:
  * the lock file may be corrupt
  * the source itself may be corrupt

Investigate the lockfile; delete it to regenerate the lockfile or --reload to reload the source code from the server.