When changing from 4.1.1_ref01 to 4.2.0_ref01 the follwoing exceptions shows up.
Hans-Peter suggests it is related to  update of a solids in
'MagneticField'

Stephan


G4EventManager::ProcessOneEvent(this = 0x1fa5718, anEvent = 0x1f77738)
G4TrackingManager::ProcessOneTrack(this = 0x1f7ca78, apValueG4Track = 0x2cb0a80)
G4SteppingManager::Stepping(this = 0x1fa5758)
G4SteppingManager::DefinePhysicalStepLength(this = 0x1fa5758)
G4Transportation::AlongStepGetPhysicalInteractionLength(this = 0x250d208, track
= CLASS, previousStepSize = 3.186024785405, currentMinimumStep =
2.5328778320636, currentSafety = 0.0, selection = 0x1fa588c)
G4PropagatorInField::ComputeStep(this = 0x1fa7258, pFieldTrack = CLASS,
CurrentProposedStepLength = 2.5328778320636, currentSafety = 0.0, pPhysVol =
0x21671b0)
G4Navigator::ComputeStep(this = 0x1fa60c0, pGlobalpoint = CLASS, pDirection =
CLASS, pCurrentProposedStepLength = 2.420533299437, pNewSafety =
233.41857147186)
G4NormalNavigation::ComputeStep(this = 0x1fa6168, localPoint = CLASS,
localDirection = CLASS, currentProposedStepLength = 2.420533299437, newSafety =
233.41857147186,history = CLASS, validExitNormal = 0, exitNormal = CLASS,
exiting = 0, entering = 0, pBlockedPhysical = 0x1fa60e4, blockedReplicaNo = -1)
G4Box::DistanceToOut(this = 0x2166fb8, p = CLASS)
G4Exception(s = 0x14a267c "Invalid call in G4Box::DistanceToOut(p),  point p
is outside")
abort(0xeec2227c, 0x6, 0x9744d246, 0xeed671e0, 0xef129c20, 0xc18524f3)