Diagnosis
You want to call a transaction.

System Response
The current user is not authorized to execute this transaction.
Possible reasons are:
- The user does not have the required authorization to execute this
transaction
- The user wants to call a transaction in an another system, but is
not authorized to do this
Other reasons may be:
- The transaction is supposed to be called in another system; the
current logon was made with user SAP* or DDIC;
this is not permitted for security reasons.

Procedure
Log on with an authorized user and call the transaction again.