fix(ocm): log message

Signed-off-by: Maxence Lange <[email protected]>

apps/cloud_federation_api/lib/Controller/RequestHandlerController.php

@@ -441,7 +441,7 @@ private function confirmShareEntry(?IIncomingSignedRequest $signedRequest, strin
 	 */
 	private function getHostFromFederationId(string $entry): string {
 		if (!str_contains($entry, '@')) {
-			throw new IncomingRequestException('entry does not contains @');
+			throw new IncomingRequestException('entry ' . $entry . ' does not contains @');
 		}
 		$rightPart = substr($entry, strrpos($entry, '@') + 1);