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Fixed in 5.3.0



Found in


Issue ID




Error when baking a lightmap if object has a material with crunched texture and rendering mode set to other than Opaque

Asset Loading


Steps to reproduce:

1. Open attached project
2. Open scene "Assets/Scene/TestScene.unity"
3. Select "Quad" in hierarchy and in inspector notice that its material has "Rendering Mode" set to "Transparent"
4. Select "Assets/Textures/boden_new.jpg" and notice that its "Format" is set to "Crunched"
5. Open Lighting window and bake lightmap
6. Notice that lightmap building stops ar 5/16 Export texture and console is spammed with
'Export Bake Texture' job failed with error code: 2 ('Unknown error.'). Unknown compressed texture format!

Note: This bug occurs when "Rendering Mode" of the material is set to other than "Opaque".

Comments (5)

  1. kilik128

    Sep 26, 2015 19:18


  2. TheWoulfe

    Aug 18, 2015 13:17

    Also getting this in 5.1.1f1, very annoying!

  3. BJSDA_Brian

    Aug 17, 2015 21:29

    Found in 5.1.2p3

  4. Sentient Computing

    Aug 11, 2015 04:57

    Me too in 5.1.1f1

  5. Kragh

    Aug 04, 2015 07:17

    I can confirm this issue!

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