How To Fix R!851 - Data element for IO has been changed. There will be consequences !

SAP Error Message - Details

• Message type: E = Error

• Message class: R! -

• Message number: 851

• Message text: Data element for IO has been changed. There will be consequences !

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R!851 - Data element for IO has been changed. There will be consequences ! ?

  The SAP error message "R!851 Data element for IO has been changed. There will be consequences!" typically indicates that there has been a modification to a data element that is used in an InfoObject (IO) within the SAP BW (Business Warehouse) environment. This can lead to inconsistencies or issues in reports, queries, or data processing that rely on that InfoObject.
  Cause:
  
  Change in Data Element: The data element associated with the InfoObject has been modified. This could include changes to its data type, length, or other attributes.
  Impact on Data Models: The change can affect various data models, including InfoCubes, DataStore Objects (DSOs), and queries that utilize the InfoObject.
  Transport Issues: If the change was transported from a development environment to a production environment, it may not have been properly managed, leading to inconsistencies.
  
  Solution:
  
  Review Changes: Identify what changes were made to the data element. This can be done by checking the change logs or transport logs in the SAP system.
  Assess Impact: Determine which InfoObjects, queries, and reports are affected by the change. This may involve checking dependencies and relationships in the data model.
  Adjust Data Models: If necessary, adjust the affected InfoObjects, queries, and reports to accommodate the changes made to the data element. This may involve redefining the InfoObject or modifying queries to ensure they function correctly.
  Testing: After making adjustments, thoroughly test the affected reports and queries to ensure they return the expected results and that there are no further issues.
  Documentation: Document the changes made and the impact assessment to maintain a record for future reference.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific guidance or patches that may address the issue.
  Data Element Documentation: Review the documentation for the specific data element that was changed to understand its previous and current definitions.
  Change Management: Implement a change management process to track modifications to data elements and their potential impacts on the BW environment.
  Training: Ensure that team members are trained on the implications of changing data elements and the importance of assessing impacts on related objects.
  
  If the issue persists or if you are unsure about the changes made, it may be beneficial to consult with an SAP BW expert or reach out to SAP support for further assistance.