How To Fix DT377 - For GTTs, no inverted individual primary key is possible

DT377 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 377

• Message text: For GTTs, no inverted individual primary key is possible

What causes this issue?

You have defined a Global Temporary Table (GTT) and are attempting to
create the primary key with the property Inverted Hash.

System Response

The table will not be activated. A GTT exists in the HANA database in
Row Store; the property Inverted Hash for primary keys, however, is only
supported for tables in Column Store.

How to fix this error?

You cannot use the property Inverted Hash for a GTT.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

DT377 - Details

• The SAP error message DT377, which states "For GTTs, no inverted individual primary key is possible," typically occurs in the context of Global Temporary Tables (GTTs) in SAP. This error indicates that there is an issue with the definition of the primary key for a Global Temporary Table, specifically regarding the use of inverted individual primary keys.
  
  Cause:
  
  Inverted Individual Primary Key: The error arises when you attempt to define a primary key for a Global Temporary Table in a way that is not supported by SAP. Inverted individual primary keys are not allowed for GTTs because they can lead to ambiguity in data retrieval and management.
  Table Definition: The structure of the GTT may have been defined incorrectly, or there may be an attempt to use a key that is not compatible with the GTT's intended use.
  
  
  Solution:
  
  Review Table Definition: Check the definition of the Global Temporary Table. Ensure that the primary key