Package the game for android&Failed to compile Material issues

[deadpoo1_616]

follow this link,fixed the Warning,but landscape material turn to black…

Failed to compile Material for platform

whenever I try to package the game for android I get the following error: UATHelper: Packaging (Android (ETC1)): LogMaterial: Warning: E:\UE4Projects\Coala\coalaunrealplugin\BlankProject\Content\Example\POIs\poiDynamic\1_PostProcess_mat.uasset: Failed to compile Material for platform SF_VULKAN_ES31_ANDROID_NOUB, Default Material will be used in game. UATHelper: Packaging (Android (ETC1)): LogMaterial: Display: Missing cached shader map for material 1_PostProcess_mat, compiling. UATHelper…

like this：

and the setting of land material be like:

The version of editor is 5.0.3

[Thoeme]

Same here, in 5.2