How To Fix SABP_KEY_REDUNDANCY022 - One key has the type SORTED, the other has the type HASHED

SABP_KEY_REDUNDANCY022 - Overview

• Message type: E = Error

• Message class: SABP_KEY_REDUNDANCY - Superfluous Keys Messages

• Message number: 022

• Message text: One key has the type SORTED, the other has the type HASHED

What causes this issue?

The unique table keys &V1& and &V2& have different types (SORTED and
HASHED). The components of &V2& are a subset of &V1&. Check whether both
keys are required.
INCLUDE INCL_MIGRATION_SCENARIO
If &V1& is a HASHED key, there is a genuine subset of its components
that is already unique. If &V1& is a SORTED key, there is a genuine
initial part that is already unique.
Remove the superfluous components from the key &V1&. The key is then
redundant to the key &V2&. Check whether only one of the two keys is
used or whether only one key is needed and therefore the other can be
removed.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SABP_KEY_REDUNDANCY022 - Details

• The SAP error message SABP_KEY_REDUNDANCY022 indicates that there is a redundancy issue with the keys defined in a database table or an internal table. Specifically, the error arises when one key is defined as a SORTED table and another key is defined as a HASHED table. This inconsistency can lead to confusion in how the data is accessed and manipulated.
  
  Cause:
  
  Key Type Mismatch: The error occurs because the same key field is being used in two different contexts where one is expected to be sorted (SORTED) and the other is expected to be hashed (HASHED). In ABAP, a sorted table allows for ordered access, while a hashed table allows for faster access based on a unique key.
  Table Definition: The issue often arises during the definition of internal tables or database tables where the key types are not aligned.
  
  
  Solution:
  To resolve this error, you need to ensure that the key types are consistent.