How To Fix AY166 - Depreciation simulation data was already copied - system error

SAP Error Message - Details

• Message type: E = Error

• Message class: AY - Deprec. simulation - maint. module (AIPS) /gen. master data

• Message number: 166

• Message text: Depreciation simulation data was already copied - system error

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AY166 - Depreciation simulation data was already copied - system error ?

  The SAP error message AY166, which states "Depreciation simulation data was already copied - system error," typically occurs during the process of running depreciation simulations in the Asset Accounting (FI-AA) module. This error indicates that the system has detected that depreciation simulation data has already been copied for the asset in question, and it is unable to proceed with the operation.
  Causes:
  
  Duplicate Simulation Data: The most common cause is that the depreciation simulation data for the asset has already been processed or copied, leading to a conflict when trying to perform the operation again.
  System 
  Configuration Issues: There may be configuration settings in the Asset Accounting module that are not set up correctly, leading to unexpected behavior.
  Data Integrity Issues: There could be inconsistencies or corruption in the asset master data or related tables.
  User Authorization: Sometimes, insufficient user permissions can lead to errors when trying to access or modify simulation data.
  
  Solutions:
  
  Check Existing Simulation