How To Fix WT120 - Only &1 instead of &2 historical data exists for material group &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 120

• Message text: Only &1 instead of &2 historical data exists for material group &3

What causes this issue?

For material group &v3& only &v1& sets of historical data exist.
However, &v2& values are required for calculating weighting factors.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

No weighting factors were calculated.

How to fix this error?

Transfer the required historical data - possibly from your legacy
system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WT120 - Only &1 instead of &2 historical data exists for material group &3 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WT120 Only &1 instead of &2 historical data exists for material group &3
  
  Meaning / Cause:
  This message typically occurs in the context of SAP Warehouse Management (WM) or Inventory Management when dealing with historical data for a material group.
  
  The system expects a certain amount or type of historical data (e.g., for statistical or planning purposes) for a material group.
  However, it finds only a different type or amount of historical data than expected.
  Specifically, the message says that only &1 type of historical data exists, but &2 type was expected for the material group &3.
  
  This can happen, for example, during:
  
  Inventory analysis
  Forecasting
  Planning runs
  Data transfer or migration processes
  
  The placeholders mean:
  
  &1 = The type of historical data actually found
  &2 = The type of historical data expected
  &3 = The material group in question
  
  
  Typical Causes:
  
  
  Mismatch in historical data types:
  
  The system expects, for example, monthly historical data but finds only weekly data, or vice versa.
  
  
  Incomplete or missing historical data:
  
  The historical data for the material group is incomplete or not maintained properly.
  
  
  Incorrect configuration:
  
  The settings for historical data collection or evaluation for the material group are inconsistent.
  
  
  Data transfer issues:
  
  During data migration or upload, the historical data was not transferred correctly.
  
  
  
  Solution / How to Fix:
  
  
  Check historical data types maintained:
  
  Verify what type of historical data exists for the material group (e.g., daily, weekly, monthly).
  
  
  Adjust expectations or configuration:  
  
  If the system expects monthly data but only weekly data exists, either maintain monthly data or adjust the system settings to accept weekly data.
  Check the customizing settings in transaction codes related to historical data (e.g., in WM or Inventory Management).
  
  
  
  Maintain or update historical data:  
  
  Use appropriate transactions to maintain or upload the correct historical data for the material group.
  If data is missing, collect or generate the required historical data.
  
  
  
  Check material group settings:  
  
  Verify the material group master data and related settings.
  Ensure that the material group is assigned correctly and that historical data collection parameters are consistent.
  
  
  
  Consult SAP Notes / Documentation:  
  
  Search for SAP Notes related to message WT120 for any known issues or patches.
  Review SAP Help Portal documentation on historical data management for the relevant module.
  
  
  
  
  Related Information:
  
  
  Transaction codes:  
  
  WM: LX01, LX02 (Inventory Management)  
  Material Master: MM03  
  Customizing: SPRO ? Logistics Execution ? Warehouse Management ? Interfaces ? Historical Data
  
  
  
  SAP Modules:  
  
  Warehouse Management (WM)  
  Inventory Management (IM)  
  Production Planning (PP) (if related to forecasting)
  
  
  
  SAP Notes:  
  
  Check SAP Service Marketplace or SAP ONE Support Launchpad for notes referencing message WT120.
  
  
  
  
  If you provide the exact context (e.g., transaction or process where the error occurs), I can help with more specific steps.
  
  Summary:
  
  The error WT120 indicates a mismatch between the expected and existing historical data types for a material group. The solution involves verifying and aligning the historical data types and ensuring the correct data is maintained or configured in the system.