fix error logging

events/roommessage.js

@@ -100,6 +100,17 @@ export default async function (matrixClient, event, room, toStartOfTimeline) {
             }
         } catch (error) {
             logger.log("error", error.stack)
+            try {
+              const errorcontent = {
+                body: `Message: ${clean(err)}\n\nStack Trace: ${clean(err.stack)}`,
+                msgtype: "m.text"
+              }
+              matrixClient.sendEvent(event.event.room_id, "m.room.message", errorcontent, "", (err, res) => {
+                console.log(err);
+              });
+            } catch (e) {
+                _error(`While attempting to send the previous error message, another error occurred: ${e.stack || e}`);
+            }
             // if (error.toString().includes("Request entity too large")) {
             // await client.rest.channels.createMessage(event.event.room_id, Object.assign({
             //     content: "The resulting file was too large to upload. Try again with a smaller image if possible."