1. A method comprising: receiving, by a computing device, one or more sequences of operations corresponding to one or more robotic devices within a workcell; providing instructions for display of a visual simulation of the one or more robotic devices to illustrate at least one portion of the one or more sequences of operations; providing instructions for display of at least a portion of a graphical timeline corresponding to the at least one portion of the one or more sequences of operations; identifying an error in robotic operation predicted to occur during execution of the at least one portion of the one or more sequences of operations; and providing instructions for display of an indication of the error at a point of the graphical timeline at which the error is predicted to occur.