The issue is now resolved. I used "jcr:content/metadata/dc:dcCode":ASC.  

Thank you @Rohan_Garg,I tried the above but it is not working. We are using AEM6.5 and SP16.  Also, this is the client's requirement as they want an easy way to search assets having particular property and value.  

As per https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/assets/manage/search-assets , I am trying to search assets using "GQL search using specific values in metadata fields". But it is not returning results.  property : jcr:content/metadata/dc:dcCodevalue: ASC ple...

New version 1.0 is throwing an error.For other version preview is working fine. Also issue is present for only 3 pages in same folder. Other pages version preview working fine. Please guide. 

Tabs component's title/ cq:panelTitle is not getting translated. We have added translation rules.

@kautuk_sahni , solution provided by @raushan123  is not working. I will post my solution if  found. 

@raushan123 , this will work only if tab is present under dialog node. But Mentioned tabs(Cloud Service, Personalization, Permissions etc) are not available under dialog and so , we can't add above property(ShowOnCreate=true).We also tried to add those property along with ShowOnCreate=true property....

 While editing Page Properties.While creating PageIs this default behavior or missing something?Please suggest.

Thank you @aanchal-sikka . Can we customized the "references" rail or "references" on Properties screen for local SDK ?If yes, then can you please provide me steps/process for it.

org.apache.sling.api.resource.QuerySyntaxException: java.text.ParseException: Query: SELECT [jcr:path] FROM [nt:base] WHERE ISDESCENDANTNODE('/content/launches') AND ([sourceRootResource] = '/content/dam/project/cn/cn-en/spotlight-pdf's/1010_202450/1010_202450_GLC_The Effect of Strip-Tillage on Tops...