debug.log from the bay shows the part group enumerates fine (14 .geop files
opened), then goCMM connects to PC-DMIS over COM and throws:
System.ArgumentNullException: Value cannot be null. Parameter name: type
at System.Activator.CreateInstance(Type type)
at GEAE.Common.CMM.CMMInterfaces.PCDMIS.PCDMIS.<ConnectToSoftware>b__43_0()
-> System.NullReferenceException at ConnectToSoftware(...)
Root cause: PC-DMIS automation server is not COM-registered, so
Type.GetTypeFromProgID returns null -> CreateInstance(null) throws -> the NRE
is the downstream symptom. Not part-group, not permissions, not calibration.
- PROBE 4: pull the .NET Runtime / Application Error crash stack for goCMM from
the Application log so the next run captures the null in one shot.
- PROBE 5: (a) part-group UNC reachability; (b) PC-DMIS COM registration check
(PCDLRN.* ProgID -> CLSID -> LocalServer32) that names the missing registration
and the Pcdlrn.exe /regserver fix; plus install presence for context.
- .bat header documents the COM root cause.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
7af66575d0