SAP Knowledge Base Article - Public

3536143 - Error: Instance with the same key already exists While Creating Communication Arrangement

Symptom

Unable to create a new communication arrangement due to error: Instance with the same key already exists.

Environment

  • SAP Business ByDesign
  • SAP Cloud for Customer

Reproducing the Issue

  1. Go to Administrator workcenter
  2. Go to General Settings view
  3. Select Communication Arrangements
  4. Select New
  5. Select Communication Scenario as OData Services for Business Objects
  6. System Instance ID as ABC (ABC refers to instance ID)
  7. Select Next

Observe the error "Instance with the same key (ABC) already exists "

Cause

This issue is caused by data inconsistency.

Resolution

To resolve the issue, delete the existing communication system and recreate it. After recreating the communication system, proceed to create the Communication Arrangement. 

Keywords

Communication Arrangement, Same Key Already Exists, Communication System, Communication Scenario , KBA , AP-RC-CEC-B2B , ByD On-Demand Cloud-Process Integration B2B , Problem

Product

SAP Business ByDesign all versions ; SAP Cloud for Customer core applications all versions