lib/appsignal/transaction.rb in appsignal-1.1.4.beta.1 vs lib/appsignal/transaction.rb in appsignal-1.1.4.beta.2

@@ -139,10 +139,10 @@
       Appsignal.logger.debug("Adding #{error.class.name} to transaction: #{transaction_id}")
       backtrace = cleaned_backtrace(error.backtrace)
       Appsignal::Extension.set_transaction_error(
         transaction_index,
         error.class.name,
-        error.message,
+        error.message.to_s,
         backtrace ? Appsignal::Utils.json_generate(backtrace) : ''
       )
     rescue JSON::GeneratorError=>e
       Appsignal.logger.error("JSON generate error (#{e.message}) for '#{backtrace.inspect}'")
     end