add error message for testing

src/database/mongo/hash.js

@@ -255,6 +255,7 @@ module.exports = function (module) {
 			// https://github.com/NodeBB/NodeBB/issues/4467
 			// https://jira.mongodb.org/browse/SERVER-14322
 			// https://docs.mongodb.org/manual/reference/command/findAndModify/#upsert-and-unique-index
+			console.log('test', err.message);
 			if (err && err.message.startsWith('E11000 duplicate key error')) {
 				return await module.incrObjectFieldBy(key, field, value);
 			}