I have a ProsperWorks task and need it to recur every 14th of the month.
Use the Schedule by Zapier app (a third party integration app that comes with a free trial) and connect it to ProsperWorks. This should enable you to schedule the Task creation on a monthly basis.
Please try to recreate the Zap below. Don't have a trial? Please set it up here:
Zap to recreate: