Sorry more pain for you, I'm also seeing these every now and again...
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_02-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_01-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_04-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_03-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_15-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_17-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 [Mesh::Mesh] could not find a valid meshsource for mesh extensions\x4_fireandsmoke\assets\fx\misc\sefx_damage_l_high_fire01_data\anim_bridge_10-lod3.xmf!
[General] 317.06 ======================================
[General] 317.06 ======================================
[=ERROR=] 317.06 AssetManager::GetAssetIntern() invalid handle(255:16777215)