How To Fix AD328 - Pool definition & (max. data length & exceeded)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 328

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

What causes this issue?

The maximum length of the data section was exceeded in the definition
of the specified pool.
A pool has at least two key fields and a long argument field, which
holds all non-key fields of the tables stored in the pool.
The maximum length allowed for this field varies according to the
database system in use (but should, if possible, have less than 250
positions). In the pool definition you exceeded this maximum length for
the long argument field.

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?

Adhere to the restrictions described when defining a table pool.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD328 - Pool definition & (max. data length & exceeded) ?

  The SAP error message AD328, which states "Pool definition & (max. data length & exceeded)," typically occurs when the data being processed exceeds the maximum allowed length for a specific pool definition in SAP. This error is often related to the use of internal tables or data structures that are defined with a maximum length, and the data being inserted or processed exceeds that limit.
  Cause:
  
  
  Data Length Exceeded: The primary cause of this error is that the data being processed exceeds the maximum length defined for a pool or internal table. This can happen when:
  
  You are trying to insert or update a record with a string or data structure that is larger than the defined maximum length.
  The data being fetched from a database or external source is larger than the expected size.
  
  
  
  Incorrect Pool Definition: The pool definition itself may not be correctly set up to handle the expected data size.
  
  
  Solution:
  
  
  Check Pool Definition: Review the pool definition in the ABAP Dictionary (SE11) to ensure that the maximum length is set appropriately for the data you are working with. If necessary, increase the maximum length to accommodate the data.
  
  
  Data Truncation: If it is not feasible to change the pool definition, consider truncating the data before inserting it into the pool. Ensure that the data being processed fits within the defined limits.
  
  
  Data Validation: Implement validation checks in your ABAP code to ensure that the data being processed does not exceed the maximum length before attempting to insert or update records.
  
  
  Debugging: Use the ABAP debugger to trace the point at which the error occurs. This can help identify the specific data or operation that is causing the issue.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific version you are using, as there may be additional considerations or updates that address this issue.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate and modify the pool definitions or related data structures.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Performance Considerations: Be mindful of performance implications when changing data structures or pool definitions, as larger data sizes can impact processing time and memory usage.
  
  By following these steps, you should be able to resolve the AD328 error and ensure that your data processing aligns with the defined limits in SAP.