Add some extra info around possible nils

lib/pleroma/user.ex

@@ -1922,7 +1922,7 @@ def get_or_fetch_by_ap_id(ap_id) do
         {:ok, user}
 
       e ->
-        Logger.error("Could not fetch user, #{inspect(e)}")
+        Logger.error("Could not fetch user #{ap_id}, #{inspect(e)}")
         {:error, :not_found}
     end
   end

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1711,7 +1711,7 @@ def fetch_and_prepare_user_from_ap_id(ap_id, additional \\ []) do
       {:ok, maybe_update_follow_information(data)}
     else
       # If this has been deleted, only log a debug and not an error
-      {:error, {"Object has been deleted" = e, _, _}} ->
+      {:error, {"Object has been deleted", _, _} = e} ->
         Logger.debug("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
         {:error, e}
 

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -136,7 +136,7 @@ def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
         |> Map.drop(["conversation", "inReplyToAtomUri"])
       else
         e ->
-          Logger.warn("Couldn't fetch #{inspect(in_reply_to_id)}, error: #{inspect(e)}")
+          Logger.warn("Couldn't fetch reply@#{inspect(in_reply_to_id)}, error: #{inspect(e)}")
           object
       end
     else
@@ -159,7 +159,7 @@ def fix_quote_url(%{"quoteUri" => quote_url} = object, options)
         |> Map.put("quoteUri", quoted_object.data["id"])
       else
         e ->
-          Logger.warn("Couldn't fetch #{inspect(quote_url)}, error: #{inspect(e)}")
+          Logger.warn("Couldn't fetch quote@#{inspect(quote_url)}, error: #{inspect(e)}")
           object
       end
     else
@@ -833,7 +833,7 @@ def maybe_fix_object_url(%{"object" => object} = data) when is_binary(object) do
       Map.put(data, "object", external_url)
     else
       {:fetch, e} ->
-        Logger.error("Couldn't fetch #{object} #{inspect(e)}")
+        Logger.error("Couldn't fetch fixed_object@#{object} #{inspect(e)}")
         data
 
       _ ->