How To Fix AD628 - Pool fields reinitialized

AD628 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 628

• Message text: Pool fields reinitialized

What causes this issue?

You have changed the structure type from CLUSTER to POOL.

System Response

Since the fields have thus become invalid, the cluster field default
values will be stored.

How to fix this error?

If you do not wish to change the type, enter the old type again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD628 - Pool fields reinitialized ?

  The SAP error message AD628, which states "Pool fields reinitialized," typically occurs in the context of ABAP programming and is related to the use of internal tables and field pools. This error indicates that the system has detected a situation where the fields in a pool (a group of related fields) have been reinitialized, which can lead to unexpected behavior in your program.
  
  Cause:
  
  
  Reinitialization of Pool Fields: This error often arises when a program attempts to reinitialize fields in a pool that are already in use. This can happen if you are using a field pool in a way that conflicts with its intended use, such as trying to reset or clear fields that are still being referenced elsewhere in the program.
  
  
  Incorrect Use of Internal Tables: If you are manipulating internal tables and their associated field pools incorrectly, it can lead to this error. For example, if you are trying to