How To Fix AD327 - Pool definition & (max. key length & exceeded)

AD327 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 327

• Message text: Pool definition & (max. key length & exceeded)

What causes this issue?

The maximum allowed length for the key area is exceeded in the
definition of the pool specified.
A pool has at least two key fields.
The first key field stands for the name of the pooled table stored in
the pool. The second key field includes the primary key fields of the
pooled table. The length of these two key fields is limited to 110
positions.

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?

When defining a table pool, please observe the restrictions described.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD327 - Pool definition & (max. key length & exceeded) ?

  The SAP error message AD327, which states "Pool definition & (max. key length & exceeded)," typically occurs in the context of SAP ABAP programming and database interactions. This error is related to the use of database pools, particularly when the key length for a pool definition exceeds the maximum allowed limit.
  
  Cause:
  
  Key Length Exceeded: The error indicates that the key length defined for a database pool exceeds the maximum limit set by the SAP system. Each pool has a defined maximum key length, and if the combined length of the key fields exceeds this limit, the error will be triggered.
  Incorrect Pool Definition: The pool definition may not be correctly configured, leading to an improper key length.
  Data Model Changes: Changes in the data model, such as adding new fields to a table that is part of a pool, can inadvertently increase the key length beyond the allowed limit.
  
  
  Solution:
  
  Review Pool Definition: Check the