When you try assign predefined admin role to a User ID with dash symbol in BTP, the user comes via Corporate Identity Provider over IAS into the BTP Cockpit. You see error message,
Invalid user ID; only alphanumeric characters are allowed
SAP Business Technology Platform
Invalid user ID, only alphanumeric characters are allowed , KBA , BC-NEO-SEC-IAM , Authentication, Authorization(Cloud Platform Neo) , Problem
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