Description

Lighting Builds seemingly successfully but produces a Map Check Error for World Settings.

There are several things that can be done to "eliminate the issue" and I have separated them into different Reproduction Steps each assume a freshly opened project.

Reproduced in Main Promotable-CL-2408355

Reproduced in 4.7 P3 Binary

Additional Answerhub report: https://answers.unrealengine.com/questions/158678/keep-receiving-error-after-building-lightmap.html

Steps to Reproduce

1. Open the Attached LightingProblem.uproject
2. Build Lighting

RESULT: Map Check Error : World Settings when Play Lighting needs to be Rebuilt message

Option 1:

3. Move Point Light from X = -53.71 to -53.72
4. Build Lighting

Option 2:

3. Delete any one of the three Static Meshes
4. Build Lighting

Option 3:

3. Open the SM_Outdoor_RockColumn_Cluster_16_Small in the Static Mesh editor
4. Remove the LOD 1
5. Save the Mesh
6. Build Lighting

ALL Options Yield:
RESULTS: No Map Check Errors when Play no lighting message

EXPECTED: You should not need to do any of the above options to remove the Map Check Error.

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Fixed
ComponentUE - Rendering
Affects Versions4.6.14.74.8
Target Fix4.7
Fix Commit2427370
Release Commit2427991
CreatedJan 16, 2015
ResolvedFeb 1, 2015
UpdatedApr 27, 2018