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EXP-00044:

must be connected 'AS SYSDBA' to do Point-in-time Recovery or Transportable Tablespace import
Cause: The user must log in 'as SYSDBA' to perform transportable tablespace imports or Point-In-Time Recovery imports.
Action: Ask your database adminstrator to perform the Transportable Tablespace import or the Tablespace Point-in-time Recovery import.