Failed to enrol Admin. Error - code: 20, message: 'Authentication failure'

[piyushaNeo]

I change admin credentials from app-admin/app-adminpw to org1-admin/org1-adminpw .So I getting the below error

error: [FabricCAClientService.js]: Failed to enroll org1-admin, error:%o message=fabric-ca request enroll failed with errors [[ { code: 20, message: 'Authentication failure' } ]], stack=Error: fabric-ca request enroll failed with errors [[ { code: 20, message: 'Authentication failure' } ]]

Team, please help me with this.Its urgent