How To Fix RSHDB104 - SQL error &1 &2 during primary key change on &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RSHDB - Messages in RSHDB

• Message number: 104

• Message text: SQL error &1 &2 during primary key change on &3

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSHDB104 - SQL error &1 &2 during primary key change on &3 ?

  The SAP error message RSHDB104 typically indicates that there is an SQL error occurring during a primary key change on a database table. This error can arise due to various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Cause:
  
  Database Constraints: The primary key change may violate existing constraints in the database, such as foreign key relationships or unique constraints.
  Data Integrity Issues: There may be existing data in the table that does not comply with the new primary key definition.
  Locking Issues: The table may be locked by another transaction, preventing the primary key change from being executed.
  SQL Syntax Errors: There could be an issue with the SQL syntax generated by SAP for the primary key change.
  Database-Specific Limitations: Some databases have specific limitations or requirements for altering primary keys that may not be met.
  
  Solution:
  
  Check Constraints: Review the constraints on the table to ensure that changing the primary key will not violate any existing relationships. You may need to drop or modify foreign key constraints before making the change.
  Data Validation: Ensure that all existing data in the table complies with the new primary key definition. You may need to clean or modify the data before proceeding.
  Release Locks: Check for any locks on the table that may be preventing the change. You can use database tools or transaction monitoring to identify and release locks.
  Review SQL Syntax: If you have access to the SQL being generated, review it for any syntax errors or issues. You may need to adjust the SQL manually if possible.
  Database Documentation: Consult the documentation for your specific database system to understand any limitations or requirements for altering primary keys.
  SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error message.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary) to view and modify table definitions.
  Database Logs: Review database logs for more detailed error messages that can provide insight into the SQL error.
  SAP Community: Engage with the SAP Community or forums for additional insights and experiences from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.