Relationship icon to view idocs is inactive on sales order & Generic IDOC screen

Hello Team, 

I person maintained the Parameter 'SD_SWU_ACTIVE' utilizing SU3. I'm capable to spot the generic IDOC & Sales Order viceversa utilizing this parameter. But for the ASAPIO Generic IDOC which is having Basic benignant '/ASADEV/ACI_GENERIC_IDOC' I'm not capable to spot the narration betwixt Sales Order & Generic IDOC successful SAP. 

Kindly look into it & assistance me. 

Regards, 

Rahul More