No authorizations to import a new ASU Content Definition for scenario &1

What causes this issue?

Missing authorizations to upload ASU Content Version for scenario &V1&

System Response

File upload not possible

How to fix this error?

Please maintain the user authorizations or choose another ASU Content
Definition file which is assigned to a scenario you are authorized for.

Procedure for System Administrators

Authorization Object: B_ASU_ADMI. Activity: 60. /ASU/VERSN = '*'

Error message extract from SAP system. Copyright SAP SE.