We have a parking lot design we have been working on for a few days. It is a bus only lot that is a single entrance into an oval shaped road with 4 bus bays (zig-zag) areas along the two long edges for a total of 8. We modeled the entrance a curb only but once in the loop, modeled both outer edge and inner edge. The inner loop curbs are horizontally controlled by two alignments so the template drops only intersect one loop alignment at a time. The outer curb is driven by an outer edge alignment for the bus bays. The corridor is driven by an alignment with a profile, the curbs follow the template or follow a horizontal control alignment.
The entire corridor has only three template drops, but we need to add two more. I have tried using the Corridor Controls tool (the Bucket icon) and the Add Template Drop tool repeatedly only to be kicked out via the unhandled exception. The corridor is only 1300' long and has no end conditions at this time. It is extremely simple as far as corridors go.
We are working in a managed PW workspace and I even removed all off the shadow folders to try an eliminate any local corruption. We managed to work all morning on the file with no issue, but since returning from lunch, have been unable to accomplish anything.