diff --git a/proto/caosdb/entity/v1alpha1/main.proto b/proto/caosdb/entity/v1alpha1/main.proto
index ff2e77de5b7f982a6c76b7ef39e404c6a369157c..2727696db70ce35d5a391b3f5d0f4159284a4be4 100644
--- a/proto/caosdb/entity/v1alpha1/main.proto
+++ b/proto/caosdb/entity/v1alpha1/main.proto
@@ -344,6 +344,12 @@ message Property {
   string unit = 6;
   // Property datatype
   string datatype = 7;
+  // Errors of this property
+  repeated Message errors = 8;
+  // Warnings of this property
+  repeated Message warnings = 9;
+  // Info messages of this property
+  repeated Message infos = 10;
 }
 
 // Parent of an entity.
@@ -354,6 +360,12 @@ message Parent {
   string name = 2;
   // Description of the parent entity.
   string description = 3;
+  // Errors of this parent
+  repeated Message errors = 4;
+  // Warnings of this parent
+  repeated Message warnings = 5;
+  // Info messages of this parent
+  repeated Message infos = 6;
 }