Message type: E = Error
Message class: WW - Material group master maintenance
Message number: 079
Message text: Reference material & does not exist.
The reference material you have entered does not exist.
INCLUDE ISR_STOP
Save the material group and maintain the reference material using the
function provided for the purpose on the initial screen of this
transaction. The material you create here is automatically assigned to
the material group.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
WW079
- Reference material & does not exist. ?The SAP error message WW079 ("Reference material & does not exist") typically occurs when you are trying to use a reference material in a transaction, but the system cannot find the specified material in the database. This can happen for several reasons, including: Causes: Material Not Created: The reference material has not been created in the system. Incorrect Material Number: The material number entered may be incorrect or misspelled. Material Status: The material may be inactive or blocked for use. Plant/Storage Location Issues: The material may not be available in the specified plant or storage location. Authorization Issues: The user may not have the necessary authorizations to view or use the material. Solutions: Check Material Existence: Use transaction code MM03 (Display Material) to check if the material exists in the system. Ensure that you are using the correct material number. Create Material: If the material does not exist, you can create it using transaction code MM01 (Create Material). Check Material Status: Verify the status
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