Procedural meshes with physics enabled created at runtime do not attach. ( Warning in Edtior: Constraint in '/Game/Maps/UEDPIE_0_Default.Default:PersistentLevel.withSMC_0.PhysicsTestSMC' attempting to create a joint between objects that are both static. No joint created. ) 

Steps to Reproduce

4.22 Repro project with procedural meshes spawned and attachment attempt attached. Or clone from users github:

  1. PIE
  2. The two cubes generated on the right are PMC and do not attach. The cubes on the left are just Static Mesh Components

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Won't Fix
ComponentUE - Simulation - Physics
Affects Versions4.
Target Fix4.26
CreatedMay 29, 2019
ResolvedSep 11, 2020
UpdatedSep 15, 2020