Open the RDS web console.
Open the “Parameter Groups” tab.
Create a new Parameter Group. On the dialog, select the MySQL family compatible to your MySQL database version, give it a name and confirm.
Select the just created Parameter Group and issue “Edit Parameters”.
Look for the parameter ‘log_bin_trust_function_creators’ and set its value to ’1′.
Save the changes.
Open the “Instances” tab. Expand your MySQL instance and issue the “Instance Action” named “Modify”.
Select the just created Parameter Group and enable “Apply Immediately”.
Click on “Continue” and confirm the changes.
Again, open the “Instances” tab. Expand your MySQL instance and issue the “Instance Action” named “Modify”.
Don't forget: Open the “Instances” tab. Expand your MySQL instance and issue the “Instance Action” named “Reboot”.