Comment two very spammy debug messages that the usr can't do anything about

Make a third one conditional.

1 files changed, 2 insertions, 1 deletions

diff --git a/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs b/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
index 52fa908..3d2de82 100644
--- a/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
+++ b/OpenSim/Region/OptionalModules/Materials/MaterialsModule.cs
@@ -329,7 +329,8 @@ namespace OpenSim.Region.OptionalModules.Materials
                 AssetBase matAsset = m_scene.AssetService.Get(id.ToString());
                 if (matAsset == null || matAsset.Data == null || matAsset.Data.Length == 0 )
                 {
-                    m_log.WarnFormat("[Materials]: Prim \"{0}\" ({1}) contains unknown material ID {2}", part.Name, part.UUID, id);
+                    if (id != UUID.Zero)
+                        m_log.WarnFormat("[Materials]: Prim \"{0}\" ({1}) contains unknown material ID {2}", part.Name, part.UUID, id);
                     return;
                 }