diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index fd658e57e91..cf902ffd2dd 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -1298,7 +1298,11 @@ if ($mode == 'marketplace') {
 	print '</td>';
 	print '<td class="center">';
 	if (!getDolGlobalString('MAIN_DISABLE_EXTERNALMODULES_COMMUNITY') && getDolGlobalInt('MAIN_ENABLE_EXTERNALMODULES_COMMUNITY')) {
-		$messagetoadd = '<br><br><span class="small">Content of the repository index file '.$remotestore->file_source_url.' is in the local cache file '.$remotestore->cache_file.' (Date: '.dol_print_date(dol_filemtime($remotestore->cache_file), 'dayhour', 'tzuserrel').')</span>';
+		$messagetoadd = '<br><br><span class="small">Content of the repository index file '.$remotestore->file_source_url.' should be in the local cache file '.$remotestore->cache_file;
+		$messagetoadd .= ' (Date: '.dol_print_date(dol_filemtime($remotestore->cache_file), 'dayhour', 'tzuserrel').')</span>';
+		if ($remotestore->githubFileError) {
+			$messagetoadd .= '<br><span class="error small">'.$remotestore->githubFileError.'</span>';
+		}
 		print $remotestore->libStatus($remotestore->githubFileStatus, 2, $messagetoadd);
 	}
 	print '</td>';
diff --git a/htdocs/admin/remotestore/class/externalModules.class.php b/htdocs/admin/remotestore/class/externalModules.class.php
index 0ed11cb77a9..410b1912238 100644
--- a/htdocs/admin/remotestore/class/externalModules.class.php
+++ b/htdocs/admin/remotestore/class/externalModules.class.php
@@ -100,6 +100,11 @@ class ExternalModules
 	 */
 	public $githubFileStatus;
 
+	/**
+	 * @var string
+	 */
+	public $githubFileError;
+
 	/**
 	 * @var int // number of online providers
 	 */
@@ -169,6 +174,7 @@ class ExternalModules
 
 			$this->getRemoteYamlFile($this->file_source_url, $cachedelayforgithubrepo);
 
+			$this->githubFileError = $this->error;
 			$this->githubFileStatus = dol_is_file($this->cache_file) ? 1 : 0;
 		}
 
@@ -891,7 +897,10 @@ class ExternalModules
 			$result = getURLContent($file_source_url, 'GET', '', 1, $addheaders);	// TODO Force timeout to 5 s on both connect and response.
 			if (!empty($result) && $result['http_code'] == 200) {
 				$yaml = $result['content'];
-				file_put_contents($cache_file, $yaml);
+				$result = file_put_contents($cache_file, $yaml);
+				if ($result === false) {
+					$this->error = 'Failed to create cache file: ' . $cache_file;
+				}
 			}
 		} else {
 			$yaml = file_get_contents($cache_file);