fix

subato/src/main/java/de/hsrm/sls/subato/shared/websocket/StompErrorHandler.java

@@ -58,8 +58,8 @@ public class StompErrorHandler extends StompSubProtocolErrorHandler {
         try {
             var errorResponse = matchingMapper != null
                 ? matchingMapper.map(exception)
-                : errorResponseBuilder.buildForException(ex, null);
-            globalExceptionLogger.log(errorResponse, ex);
+                : errorResponseBuilder.buildForException(exception, null);
+            globalExceptionLogger.log(errorResponse, exception);
 
             return buildErrorMessage(clientMessage, errorResponse);
         } catch (Exception e) {