SAP Note 17021 - Aspect has not yet been generated

Symptom:

KH507 Termination in SAPMKES1; Error when reading database structure 00000
KX760 Data transfer program has not been generated MSTT242S

Cause and prerequisites

The aspect has not yet been generated

Solution
The aspect must first be generated before you can use it. This can be done using transaction KCA0; on screen 2000 you have to call the function 'Structure --> Generate'.