Message type: E = Error
Message class: MMRP01 - Rapid Planning Matrix
Message number: 015
Message text: Matrix type is unknown (internal error)
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MMRP01015
- Matrix type is unknown (internal error) ?The SAP error message MMRP01015, which states "Matrix type is unknown (internal error)," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the matrix type configuration in the system. This error can arise due to various reasons, including incorrect configuration settings, missing data, or inconsistencies in the master data. Causes: Missing or Incorrect Matrix Type Configuration: The matrix type that the system is trying to reference may not be defined in the configuration settings. Data Inconsistencies: There may be inconsistencies in the material master data or other related master data that reference the matrix type. Custom Development Issues: If there are custom programs or enhancements that interact with matrix types, they may not be handling certain scenarios correctly. Transport Issues: If the matrix type was recently transported from another system, it may not have been set up correctly in the target system. Solutions: Check Matrix Type
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