ocaml 5.1.0

Error log

The package failed to build. The error log from opam follows.

Opam plugin "depext" may require upgrading/reinstalling. Reinstall the plugin on the current switch? [Y/n] y
The following actions will be performed:
  - recompile opam-depext 1.2.1-1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved opam-depext.1.2.1-1  (cached)
-> removed   opam-depext.1.2.1-1
-> installed opam-depext.1.2.1-1
Done.

<><> opam-depext.1.2.1-1 installed successfully <><><><><><><><><><><><><><><><>
=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
# Run eval $(opam env) to update the current shell environment

<><> Carrying on to "opam depext -viy glical.0.0.3" <><><><><><><><><><><><><><>

You are using opam 2.1+, where external dependency handling has been integrated: consider calling opam directly, the 'depext' plugin interface is provided for backwards compatibility only
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
The following actions will be performed:
  - install glical 0.0.3

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/3: [glical.0.0.3: http]
[ERROR] Failed to get sources of glical.0.0.3: curl error code 404

#=== ERROR while fetching sources for glical.0.0.3 ============================#
OpamSolution.Fetch_fail("http://pw374.github.io/distrib/glical/glical-0.0.3.tar.gz (curl: code 404 while downloading http://pw374.github.io/distrib/glical/glical-0.0.3.tar.gz)")


<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - fetch glical 0.0.3
+- 
- No changes have been performed
# Run eval $(opam env) to update the current shell environment
'opam --cli=2.1 install glical.0.0.3 --verbose --yes --confirm-level=unsafe-yes' failed.