diff --git a/src/models/layerMetadata/layerMetadata.ts b/src/models/layerMetadata/layerMetadata.ts
index f5777ff..0d19792 100644
--- a/src/models/layerMetadata/layerMetadata.ts
+++ b/src/models/layerMetadata/layerMetadata.ts
@@ -345,7 +345,7 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
     mappingType: TsTypes.DATE,
   })
   @graphql({
-    nullable: true,
+    nullable: false,
   })
   @fieldConfig({
     category: FieldCategory.MAIN,
@@ -465,7 +465,7 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
     mappingType: TsTypes.NUMBER,
   })
   @graphql({
-    nullable: false, //keep it true like in min?
+    nullable: false,
   })
   @fieldConfig({
     category: FieldCategory.GEO_INFO,
@@ -512,7 +512,7 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
     mappingType: TsTypes.NUMBER,
   })
   @graphql({
-    nullable: true,
+    nullable: false,
   })
   @fieldConfig({
     category: FieldCategory.GEO_INFO,
@@ -883,13 +883,13 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
     mappingType: TsTypes.NUMBER,
   })
   @graphql({
-    nullable: false, //keep it true like in max?
+    nullable: false,
   })
   @fieldConfig({
     category: FieldCategory.MAIN,
     infoMsgCode: [
       'info-field-tooltip.minResolutionDeg.tooltip',
-      'info-general-tooltip.required', // is it required?
+      'info-general-tooltip.required',
       'info-field-tooltip.minResolutionDeg.min',
       'info-field-tooltip.minResolutionDeg.max',
     ],
@@ -909,6 +909,7 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
         max: VALIDATIONS.resolutionDeg.max,
       },
     ],
+    isLifecycleEnvolved: true,
   })
   //#endregion
   public minResolutionDeg: number | undefined = undefined;
@@ -981,10 +982,10 @@ export class LayerMetadata implements ILayerMetadata, IMetadataCommonModel {
     mappingType: TsTypes.NUMBER,
   })
   @graphql({
-    nullable: true,
+    nullable: false,
   })
   @fieldConfig({
-    category: FieldCategory.MAIN, // is it required?
+    category: FieldCategory.MAIN,
     infoMsgCode: ['info-general-tooltip.required', 'info-field-tooltip.minResolutionMeter.min', 'info-field-tooltip.minResolutionMeter.max'],
     validation: [
       {