How To Fix C+168 - Secondary index &1 from table &2 could not be created

SAP Error Message - Details

• Message type: E = Error

• Message class: C+ -

• Message number: 168

• Message text: Secondary index &1 from table &2 could not be created

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message C+168 - Secondary index &1 from table &2 could not be created ?

  The SAP error message C+168 indicates that there was an issue creating a secondary index for a specified table. This error can occur for various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Table Structure Issues: The table may have structural issues, such as missing fields or incorrect data types that prevent the creation of the secondary index.
  Existing Index Conflicts: There may already be an existing index that conflicts with the new secondary index you are trying to create.
  Database Constraints: The underlying database may have constraints or limitations that prevent the creation of the index.
  Insufficient Authorizations: The user attempting to create the index may not have the necessary authorizations to perform this action.
  Database Space Issues: There may not be enough space in the database to create the new index.
  Locking Issues: The table may be locked by another process, preventing the creation of the index.
  
  Solutions:
  
  Check Table Structure: Review the structure of the table to ensure that it is correctly defined and that all necessary fields are present.
  Review Existing Indexes: Check for existing indexes on the table that may conflict with the new index. You can use transaction SE11 to view the indexes.
  Database Space: Ensure that there is sufficient space in the database to accommodate the new index. You may need to increase the database size or free up space.
  User Authorizations: Verify that the user has the necessary authorizations to create indexes. You may need to consult with your SAP security team.
  Check Locks: Use transaction SM12 to check for any locks on the table. If there are locks, you may need to wait for them to be released or resolve the locking issue.
  Use Transaction SE14: You can use transaction SE14 (Database Utility) to check the table and indexes. This transaction can help you analyze and repair issues related to database objects.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to the error message C+168. SAP Notes often provide detailed information and solutions for known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SM12 (Lock Entries) for troubleshooting.
  Database Documentation: Review the documentation for your specific database (e.g., HANA, Oracle, SQL Server) for any limitations or specific configurations related to index creation.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.