SAP Note 26539 - QSM6 Matchcode maintenance for messages

Symptom:

When maintaining matchcodes for messages, an executable transaction is not called up. This affects 3.0 FCS - installations.
In 3.0A, you can branch into matchcode maintenance but you have to specify the object (QMEL).
The following solution enables a direct jump into matchcode maintenance for the object 'QMEL'.

Cause and prerequisites

Note 25320 must also be sent for the FCS system.

Solution
Transaction QSM6 for calling up matchcode maintenance is not defined
Procedure:
Include the following entry with transaction SE93: Transaction 'OIAC'
Text: Matchcode messages
Default values for transaction: 'AD20'.
Screen: 200
from module pool: SAPMSD20
Name of the screen field: RSD2X-MCONAME value: 'QMEL'.
Then call up transaction 'SOBJ'.
Include entry OIAC, enter 'T' for the type
Category 'SYST'
then in the menu in the same mask, choose Table view -> Other view; click on 'Subobjects', subobject = 'IHMELDMC',
Transaction code = 'OIAC',
Documentation type = 'O',
Book = 'SIMG_OLIA'
Document class = 'SIMG'
Document name = 'OLIAQSM6'
Save your entry.

Additional key words

QMEL, Plant maintenance, PM Customizing