I have same error. "Failed to execute. Check the composer logs in storage/logs/composer."
when i tried to install FoF/Upload extension, and i tried many other extesniosn also, but the error comes.
In Hostinger's control panel, i checked the PHP Extension for 8.3 was already enabled by default. but still i get this error. logs are below
[2025-09-01 04:11:35] composer.ERROR: require 'fof/upload:*' -W
/home/u492648403/domains/electromagz.com/Flarum/composer.json has been updated
Running composer update fof/upload --with-all-dependencies
Loading composer repositories with package information
Updating dependencies
Lock file operations: 3 installs, 0 updates, 0 removals
Locking enshrined/svg-sanitize (0.22.0)
Locking fof/upload (1.8.5)
Locking softcreatr/php-mime-detector (4.0.0)
Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 160 installs, 0 updates, 0 removals
Downloading softcreatr/php-mime-detector (4.0.0)
Downloading enshrined/svg-sanitize (0.22.0)
Downloading fof/upload (1.8.5)
Downloading nodeloc/flarum-ext-my-emoji (1.1.6)
0/4 [>---------------------------] 0% <warning>Failed to download nodeloc/flarum-ext-my-emoji from dist: The "https://api.github.com/repos/nodeloc/flarum-ext-my-emoji/zipball/cc2c3233dfbf94d19485194862db649b8854f915" file could not be downloaded (HTTP/2 404 ):
{"message":"Not Found","documentation_url":"https://docs.github.com/rest/repos/contents#download-a-repository-archive-zip","status":"404"}</warning>
<warning>Now trying to download from source</warning>
Syncing nodeloc/flarum-ext-my-emoji (1.1.6) into cache
1/4 [=======>--------------------] 25%
3/4 [=====================>------] 75%
4/4 [============================] 100%
In Git.php line 504:
Failed to clone
nodeloc/flarum-ext-my-emoji.git via http
s, ssh protocols, aborting.
nodeloc/flarum-ext-my-emoji.git
Cloning into bare repository '/home/u492648403/domains/electromagz.com/Fl
arum/storage/.composer/cache/vcs/https---github.com-nodeloc-flarum-ext-my-e
moji.git'...
remote: Invalid username or token. Password authentication is not support
ed for Git operations.
fatal: Authentication failed for '
nodeloc/flarum-ext-m
y-emoji.git/'
git@github.com:nodeloc/flarum-ext-my-emoji.git
Cloning into bare repository '/home/u492648403/domains/electromagz.com/Fl
arum/storage/.composer/cache/vcs/https---github.com-nodeloc-flarum-ext-my-e
moji.git'...
Host key verification failed.
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
require [--dev] [--dry-run] [--prefer-source] [--prefer-dist] [--prefer-install PREFER-INSTALL] [--fixed] [--no-suggest] [--no-progress] [--no-update] [--no-install] [--no-audit] [--audit-format AUDIT-FORMAT] [--update-no-dev] [-w|--update-with-dependencies] [-W|--update-with-all-dependencies] [--with-dependencies] [--with-all-dependencies] [--ignore-platform-req IGNORE-PLATFORM-REQ] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [-m|--minimal-changes] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--apcu-autoloader-prefix APCU-AUTOLOADER-PREFIX] [--] [<packages>...]