How To Fix SOS_MAPPING128 - Key characteristic has been set automatically to READ ONLY

SOS_MAPPING128 - Overview

• Message type: E = Error

• Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

• Message number: 128

• Message text: Key characteristic has been set automatically to READ ONLY

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOS_MAPPING128 - Key characteristic has been set automatically to READ ONLY ?

  The SAP error message SOS_MAPPING128 indicates that a key characteristic in a data model or mapping has been set to "READ ONLY" automatically. This typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, InfoObjects, or transformations.
  
  Cause:
  
  Automatic Setting: The key characteristic is automatically set to read-only due to certain conditions in the data model or transformation. This can happen if the characteristic is derived from another source or if it is part of a hierarchy or aggregation that does not allow changes.
  Data Source Configuration: The data source or the way the data is being loaded may restrict changes to certain key characteristics.
  Transformation Rules: If the transformation rules define that the characteristic should not be modified, it will be set to read-only.
  Data Integrity: SAP may enforce read-only status to maintain data integrity, especially if the characteristic is critical for reporting or analysis.
  
  
  Solution:
  
  Review Data