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Installation
1

I tried to install the Panda3D-2010.07.02-205.dmg and it didn’t work.
Running my app or Panda’s exemples make both crash Panda.

python /Developer/Examples/Panda3D/Asteroids/Tut-Asteroids.py 
DirectStart: Starting the game.
Attempt to register type Namable more than once!
Attempt to register type TextEncoder more than once!
Attempt to register type VirtualFileComposite more than once!
Attempt to register type VirtualFileMountMultifile more than once!
Attempt to register type VirtualFileMountSystem more than once!
Attempt to register type VirtualFileSimple more than once!
Attempt to reference unregistered TypeHandle!
Registered TypeHandles are:
  1 Filename
  2 PandaSystem
  3 TypedObject
    5 TypedReferenceCount : TypedObject, ReferenceCount
      6 HTTPChannel : TypedReferenceCount
      7 VirtualFile : TypedReferenceCount
        8 VirtualFileHTTP : VirtualFile
        15 VirtualFileComposite : VirtualFile
        18 VirtualFileSimple : VirtualFile
      9 VirtualFileMount : TypedReferenceCount
        10 VirtualFileMountHTTP : VirtualFileMount
        16 VirtualFileMountMultifile : VirtualFileMount
        17 VirtualFileMountSystem : VirtualFileMount
    11 Datagram : TypedObject
  4 ReferenceCount
    5 TypedReferenceCount : TypedObject, ReferenceCount
      6 HTTPChannel : TypedReferenceCount
      7 VirtualFile : TypedReferenceCount
        8 VirtualFileHTTP : VirtualFile
        15 VirtualFileComposite : VirtualFile
        18 VirtualFileSimple : VirtualFile
      9 VirtualFileMount : TypedReferenceCount
        10 VirtualFileMountHTTP : VirtualFileMount
        16 VirtualFileMountMultifile : VirtualFileMount
        17 VirtualFileMountSystem : VirtualFileMount
    13 NodeReferenceCount : ReferenceCount
  12 Namable
  14 TextEncoder
  19 long
  20 int
  21 uint
  22 short
  23 ushort
  24 char
  25 uchar
  26 bool
  27 double
  28 float
  29 string
  30 int*
  31 short*
  32 char*
  33 bool*
  34 double*
  35 float*
  36 void*
  37 pvector
  38 ov_set
  39 pdeque
  40 plist
  41 pmap
  42 pset
Assertion failed: (child_node != (TypeRegistryNode *)NULL && base_node != (TypeRegistryNode *)NULL), function is_derived_from, file dtool/src/dtoolbase/typeRegistry.cxx, line 307.
Abort trap

Someone else did face the same problem with the Panda3D-2010.06.21-190.dmg. Just in case, I removed previous versions of Panda before installing this one.

2

I just checked in a fix, and I think the latest buildbot release fixes this.