Change setError to setMessage to make it clear what is the corret name

4dev/tests/Logging/CoreLibsLoggingErrorMessagesTest.php

@@ -96,7 +96,7 @@ final class CoreLibsLoggingErrorMessagesTest extends TestCase
 			'log_level' => Level::Debug,
 		]);
 		$em = new \CoreLibs\Logging\ErrorMessage($log);
-		$em->setErrorMsgLevel(
+		$em->setMessage(
 			$level,
 			$str
 		);

www/lib/CoreLibs/Logging/ErrorMessage.php

@@ -110,7 +110,7 @@ class ErrorMessage
 	 * @param  string|null   $message   If abort/crash, non localized $str
 	 * @param  array<mixed>  $context   Additionl info for abort/crash messages
 	 */
-	public function setErrorMsgLevel(
+	public function setMessage(
 		string $level,
 		string $str,
 		?string $error_id = null,