How To Fix GP521 - The last internal number has been assigned for this activity

GP521 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 521

• Message text: The last internal number has been assigned for this activity

What causes this issue?

The number range for this activity has been used up. You cannot make
any more planning changes.

System Response

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

How to fix this error?

Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GP521 - The last internal number has been assigned for this activity ?

  The SAP error message GP521, which states "The last internal number has been assigned for this activity," typically occurs in the context of SAP's Project System (PS) or related modules when you are trying to create or assign a new internal number for an activity, but the system has reached the limit of available internal numbers for that particular activity.
  
  Cause:
  
  Exhaustion of Number Range: The internal number range defined for the activity has been exhausted. This can happen if the number range is not properly configured or if it has been set to a limited range.
  
  Configuration Issues: The number range settings in the configuration may not allow for sufficient numbers to be generated for the activities.
  System Settings: The system may have been set up to use a specific number range that has been fully utilized.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Look for the relevant number range