1. A web cast debugging system implemented on a computer system, comprising: a computer system having a processor and a memory in which a plurality of code modules are stored in the memory and communicate with each other and are executed by the processor; one of the plurality of code modules configured to create an action data log line following the completion of an action performed by the code module, the action data log line comprising information on one of an action and a code execution performed by the one code module; wherein the code module transmits the action data log line to an artifact log; and a data grid display that receives the action data log line for real time monitoring of errors described in the action data log line during a multi-user web cast.