add null checks for linkedContext

entity/Pers_entity/Pers_entity.aod

@@ -142,7 +142,7 @@
     <entityField>
       <name>ORG_ID</name>
       <title>Firma</title>
-      <linkedContext>Org_context</linkedContext>
+      <linkedContextProcess>%aditoprj%/entity/Pers_entity/entityfields/org_id/linkedContextProcess.js</linkedContextProcess>
       <outgoingField>PersOrg_dfo</outgoingField>
       <searchable v="false" />
       <onValueChange>%aditoprj%/entity/Pers_entity/entityfields/org_id/onValueChange.js</onValueChange>

entity/Pers_entity/entityfields/org_id/linkedContextProcess.js

+import("system.vars");
+import("system.result");
+
+if(vars.get("$field.ORG_ID") != 0) {
+    result.string("Org_context");
+}
+else {
+    result.string("");
+}
\ No newline at end of file

entity/Product_entity/entityfields/relation_id/linkedContextProcess.js

@@ -2,13 +2,17 @@ import("system.result");
 import("system.vars");
 import("Relation_lib")
 
-switch (RelationUtils.getRelationTypeByPersOrg(vars.get("$field.RELATION_PERS_ID"), vars.get("$field.RELATION_ORG_ID")))
-{
-    case 1: // Org
-        result.string("Org_context")
-        break;
-    case 2: // private Pers
-    case 3: // Pers
-        result.string("Pers_context")
-    default:
+if(!vars.get("$field.RELATION_PERS_ID") && !vars.get("$field.RELATION_ORG_ID"))
+    result.string("");
+else {
+    switch (RelationUtils.getRelationTypeByPersOrg(vars.get("$field.RELATION_PERS_ID"), vars.get("$field.RELATION_ORG_ID")))
+    {
+        case 1: // Org
+            result.string("Org_context")
+            break;
+        case 2: // private Pers
+        case 3: // Pers
+            result.string("Pers_context")
+        default:
+    }
 }
\ No newline at end of file