Se quito fingers_crossed del config_dev.yml

app/config/config_dev.yml

@@ -15,12 +15,8 @@ web_profiler:
 monolog:
     handlers:
         main:
-            type:         fingers_crossed
-            action_level: error
-            handler:      grouped
-            channels: ['!event']
-        grouped:
             type:         group
+            action_level: error
             members:      [nested, amqp]
         nested:
             type:  stream
@@ -31,9 +27,7 @@ monolog:
             id:                 monolog.amqp
             level:              debug
         console:
-            type: console
-            process_psr_3_messages: false
-            channels: ['!event', '!doctrine', '!console']
+            type:   console
         # To follow logs in real time, execute the following command:
         # `bin/console server:log -vv`
         server_log: