How To Fix WPS01119 - Parent task list key &1 / ext. ID &2: No internal number possible

WPS01119 - Overview

• Message type: E = Error

• Message class: WPS01 - Revision Planning - Task List Hierarchy

• Message number: 119

• Message text: Parent task list key &1 / ext. ID &2: No internal number possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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• What is the cause and solution for SAP error message WPS01119 - Parent task list key &1 / ext. ID &2: No internal number possible ?

  SAP Error Message:
  WPS01119
  Text: Parent task list key &1 / ext. ID &2: No internal number possible
  
  Cause
  This error occurs when you try to create or assign a parent task list with a specific external ID, but the system cannot generate or assign an internal number for the task list. The internal number is mandatory for task lists in SAP, and if the number range for the task list type or group is exhausted or not properly maintained, the system cannot create a new internal number.
  Common causes include:
  
  Number range for the task list group or type is not defined or has reached its limit.
  Number range object for the task list is not properly configured.
  Incorrect or missing number range assignment in the task list group or task list type.
  Customizing or master data inconsistency related to task list numbering.
  
  
  Solution
  
  
  Check Number Range Configuration:
  
  Go to transaction SNRO or SNUM.
  Enter the number range object for task lists,