How To Fix O1089 - At this time, only 1 del.schedule for qty.schedule is supported

SAP Error Message - Details

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 089

• Message text: At this time, only 1 del.schedule for qty.schedule is supported

What causes this issue?

During call-off processing, you entered more than one
<DS:GLOS.delivery date>delivery date</> for a schedule line in
MM or SD.
&SYSTEM_RESPONSE& / &SYSTEM_MESSAGE&
This message is controlled by Table T160M (E=Error, W=Warning, blank=no
message); the default is ERROR, because only one Qty.schedule is
created for each item, and it depends on the delivery date (valid to
date in the call-off quantity schedule).

How to fix this error?

If error message appears, delete the schedule line in document
maintenance so that there is only one schedule line for each item.
&DEPENDENCIES&
<DS:DE.KAPPL>Valid application in Table TOIAG</>
&REFERENCE&
<DS:NA.O1093>Delivery date</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O1089 - At this time, only 1 del.schedule for qty.schedule is supported ?

  The SAP error message O1089, which states "At this time, only 1 del.schedule for qty.schedule is supported," typically occurs in the context of delivery scheduling in SAP, particularly when dealing with quantity schedules in sales orders or delivery documents. This error indicates that the system is expecting only one delivery schedule for a quantity schedule, but it has encountered multiple schedules, which is not supported.
  Cause:
  
  
  Multiple Delivery Schedules: The primary cause of this error is that the system has detected more than one delivery schedule for a quantity schedule. This can happen if the sales order or delivery document has been configured incorrectly or if there are multiple line items that are trying to create separate delivery schedules for the same quantity.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the business process requirements, leading to the creation of multiple delivery schedules.
  
  
  Data Entry Errors: Incorrect data entry during the creation of sales orders or delivery documents can also lead to this error.
  
  
  Solution:
  
  
  Review Delivery Schedules: Check the delivery schedules associated with the sales order or delivery document. Ensure that there is only one delivery schedule for the quantity schedule. You can do this by navigating to the relevant transaction (e.g., VA03 for sales orders) and reviewing the schedule lines.
  
  
  Adjust Quantity Schedule: If there are multiple schedules, you may need to consolidate them into a single delivery schedule. This can involve adjusting the quantities or delivery dates to ensure that they align correctly.
  
  
  Check Configuration: Review the configuration settings in the SAP system related to delivery scheduling. Ensure that they are set up to support your business processes correctly. This may involve consulting with your SAP configuration team or a functional consultant.
  
  
  Data Correction: If the error is due to incorrect data entry, correct the data in the sales order or delivery document. This may involve deleting or modifying the incorrect schedule lines.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed guidance on handling delivery schedules and related configurations.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VA03 (Display Sales Order), VL03N (Display Outbound Delivery), and others that may help you navigate and troubleshoot the issue.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the O1089 error and implement a solution to resolve it.