How To Fix NAA363 - Database index missing for LIS structure &1 (deletion slows performance)

SAP Error Message - Details

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 363

• Message text: Database index missing for LIS structure &1 (deletion slows performance)

What causes this issue?

A database index for the condition record number or arrangement number
is missing for information structure &V1&.
As a result, the database cannot efficiently access the statistical data
records of individual arrangements ("full table scan").

System Response

The business volume data and/or incomes are deleted (warning message
only), but system performance is likely to be poor.

How to fix this error?

If necessary, contact your system administrator.

Procedure for System Administrators

Create a database index to one of the two characteristics for
information structure &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NAA363 - Database index missing for LIS structure &1 (deletion slows performance) ?

  The SAP error message NAA363 indicates that a database index is missing for a Logistics Information System (LIS) structure, which can lead to performance issues, particularly during data deletion operations. This message typically arises when the system detects that an index that should exist for a specific LIS structure is not present, which can slow down queries and data manipulation.
  Cause:
  
  
  Missing Index: The primary cause of this error is the absence of a required database index for the specified LIS structure. This can happen due to various reasons, such as:
  
  The index was never created.
  The index was dropped or became invalid.
  Changes in the underlying data model that require a new index.
  
  
  
  Data Volume: High volumes of data in the LIS structure can exacerbate the performance issues when the necessary indexes are not in place.
  
  
  Solution:
  To resolve the NAA363 error, you can take the following steps:
  
  
  Create the Missing Index:
  
  Use transaction code SE11 (Data Dictionary) to check the structure of the LIS table.
  Identify the missing index for the specified LIS structure.
  Create the index using the appropriate fields that are frequently used in queries or deletions.
  
  
  
  Use Transaction NAA1:
  
  You can also use transaction NAA1 to manage LIS structures. This transaction allows you to check and create indexes for LIS structures directly.
  
  
  
  Check for Existing Indexes:
  
  Before creating a new index, check if there are any existing indexes that might be invalid or not optimized for performance.
  
  
  
  Database Administration:
  
  If you are not familiar with creating indexes, consult with your database administrator (DBA) or SAP Basis team. They can help ensure that the indexes are created correctly and optimized for performance.
  
  
  
  Performance Monitoring:
  
  After creating the index, monitor the performance of the system to ensure that the changes have had the desired effect.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to LIS and performance issues. There may be specific recommendations or patches available.
  Documentation: Review SAP documentation on LIS and database indexing for best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and NAA1 (LIS Structure Management).
  Performance Tuning: Consider general performance tuning practices for your SAP system, including regular database maintenance and optimization.
  
  By addressing the missing index, you should be able to resolve the NAA363 error and improve the performance of your SAP system when working with LIS structures.