This thread may overlap into Windchill if I understand the purpose of the part level parameter PTC_MODIFIED. We have a part where one of its feature level relations was altered by Pro/E (possibly Windchill involved). It altered a feature level relation like so - it substituted a real number part level parameter that was within the relation with the boolean part level parameter PTC_MODIFIED (a boolean and system controlled param). We've seen this in Wildfire 5.0, with at least 2 datecodes M010 and M020. We don't know exactly when it happens, just that some times we try to open the model and Pro/E complains a relation is bad (bad because what was a calculation with a real number is now trying to act on a boolean), then another time the model is opened it is fine. If the model is saved in the bad state and reopened, things can go haywire - opening the parameters editor blows up Pro/E most times, Pro/e can lock up and even the Windows desktop will stop repainting. This happens on multiple machines. There's a PTC ticket on the issue, but it's taking a while. Any ideas? Users are usually working within Windchill workspaces.
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