How To Fix IP429 - Call horizon > 100% is not allowed

IP429 - Overview

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 429

• Message text: Call horizon > 100% is not allowed

What causes this issue?

You have entered an opening period of greater than 100%.

System Response

The maximum possible value is 100%.
The call is made on the planned date in the case of an opening period
of 100%; when the opening period is 0%, the call is made when the
previous call is confirmed as completed.

How to fix this error?

Correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP429 - Call horizon > 100% is not allowed ?

  The SAP error message IP429 "Call horizon > 100% is not allowed" typically occurs in the context of production planning and scheduling, particularly when dealing with capacity planning in SAP's Integrated Planning (IP) module. This error indicates that the planned capacity utilization exceeds 100%, which is not permissible in the system.
  
  Cause:
  
  Excessive Demand: The planned production or demand exceeds the available capacity of the resources (work centers, machines, etc.).
  Incorrect Planning Parameters: The planning parameters or settings may not be correctly configured, leading to unrealistic capacity utilization.
  Overlapping Orders: Multiple production orders may be scheduled to run simultaneously on the same resource, causing the total utilization to exceed 100%.
  Capacity Constraints: The capacity of the work center may not be sufficient to handle the planned workload.
  
  
  Solution:
  
  
  Review Capacity Planning:
  
  Check the capacity of the relevant work centers and ensure that they are correctly defined in the system.
  Adjust the available capacity if necessary, considering factors like shifts,