Error opening communication channel in PI 7.1

Hi All,
I am getting an error while opening communication channel in PI 7.1
The error is:
Attempt to access the 1 requested objects on 1 failed. Detailed information:
com.sap.aii.ib.core.roa.RoaObjectAccessException: Attempt to read object
Adapter Metadata File | http://sap.com/xi/XI/System, type AdapterMetaData
from application REPOSITORY on system REPOSITORY failed. Object does not exist.
Detailed information:
Software component version with key ID: 3b787a8035c111d6bbe0efe50a1145a5 not found
Can anybody please help me to fix it?
Arindam

Hi ,
Please check the note mentioned below.
Note 1337902 - Missing object after PI cache refresh for existing ESR obj.
Thanks
Rishi Abrol

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