Message type: E = Error
Message class: WW - Material group master maintenance
Message number: 109
Message text: No hierarchy allocation exists for material group &
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WW109
- No hierarchy allocation exists for material group & ?The SAP error message WW109 "No hierarchy allocation exists for material group &" typically occurs in the context of SAP's Material Management (MM) or related modules when the system is unable to find a hierarchy allocation for a specified material group. This can happen during various processes, such as when trying to create or modify a material, or when running reports that require hierarchy data.
Cause: Missing Hierarchy Allocation: The primary cause of this error is that there is no hierarchy defined for the specified material group in the system. This could be due to: The material group not being set up correctly in the system. The hierarchy structure not being maintained or activated for that material group. The material group being newly created without the necessary hierarchy allocations.
Configuration Issues: There may be issues in the configuration settings related to material groups and their hierarchies. Data Inconsistencies: There could be inconsistencies in the master data or
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