How To Fix WRF_APC343 - Missing dates in date line. Check your transportation chains &1 and &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 343

• Message text: Missing dates in date line. Check your transportation chains &1 and &2

What causes this issue?

The resulting date line does not contain a presentation date, latest
purchasing order generation date or delivery date to the distribution
center. Changes in the date line cannot be accepted.

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

System Response

How to fix this error?

Check the transportation chains.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_APC343 - Missing dates in date line. Check your transportation chains &1 and &2 ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  WRF_APC343: Missing dates in date line. Check your transportation chains &1 and &2
  
  Cause:
  This error occurs in the Advanced Planning and Optimization (APO) module, specifically in the Transportation Planning/Vehicle Scheduling or Supply Network Planning (SNP) areas when working with transportation lanes or chains.
  
  The system expects a continuous and complete date line (timeline) for transportation chains.
  The error indicates that there are missing dates in the date line for the transportation chains referenced by the placeholders &1 and &2.
  This usually happens when the transportation chain is incomplete or incorrectly maintained, causing gaps in the planning horizon.
  It can also occur if the transportation lanes or chains have inconsistent or missing validity periods or if the transportation chain is not properly defined for the entire planning horizon.
  
  
  Explanation:
  
  Transportation chains represent the sequence of transportation lanes or steps that goods follow from source to destination.
  Each chain must have a continuous timeline without gaps to ensure proper planning and scheduling.
  Missing dates mean that for some days within the planning horizon, the system cannot find a valid transportation lane or step, leading to planning inconsistencies.
  
  
  Solution:
  
  
  Check Transportation Chains:
  
  Go to the transaction or customizing where transportation chains are defined (e.g., /SAPAPO/TSCHAIN).
  Verify the transportation chains referenced by &1 and &2.
  Ensure that the chains are complete and cover the entire planning horizon without gaps.
  
  
  
  Check Validity Periods:
  
  Verify the validity dates of the transportation lanes within the chains.
  Make sure that the validity periods of the lanes overlap or connect seamlessly to avoid missing dates.
  
  
  
  Maintain Transportation Lanes:
  
  If gaps are found, maintain or extend the validity periods of the transportation lanes.
  Add missing lanes if necessary to cover the entire date range.
  
  
  
  Rebuild or Recalculate Chains:
  
  After corrections, rebuild or recalculate the transportation chains to update the date lines.
  
  
  
  Check Planning Horizon:
  
  Ensure that the planning horizon in SNP or transportation planning is consistent with the validity of transportation chains.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address known issues with transportation chains and date lines.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /SAPAPO/TSCHAIN - Transportation Chain Maintenance
  /SAPAPO/TSPL - Transportation Lane Maintenance
  /SAPAPO/TSDS - Transportation Scheduling
  
  
  
  SAP Modules:
  
  APO SNP (Supply Network Planning)
  APO TP/VS (Transportation Planning/Vehicle Scheduling)
  
  
  
  SAP Notes:
  
  Search the SAP Support Portal for notes related to WRF_APC343 or transportation chain date issues.
  
  
  
  Documentation:
  
  SAP Help Portal for APO Transportation Planning
  APO SNP Transportation Lane and Chain configuration guides
  
  
  
  
  Summary:
  The error WRF_APC343 indicates missing dates in the transportation chain's date line, caused by incomplete or inconsistent transportation lane validity periods. The solution is to verify and correct the transportation chains and lanes to ensure continuous coverage over the planning horizon.
  
  If you need help with specific steps or transaction navigation, feel free to ask!