How To Fix 0U121 - ERROR: Internal error when inserting in table: &

SAP Error Message - Details

• Message type: E = Error

• Message class: 0U -

• Message number: 121

• Message text: ERROR: Internal error when inserting in table: &

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 0U121 - ERROR: Internal error when inserting in table: & ?

  The SAP error message 0U121 ERROR: Internal error when inserting in table: & typically indicates that there is an internal issue occurring when the system attempts to insert data into a specific database table. This error can arise from various underlying causes, and resolving it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Database Locking Issues: The table may be locked by another transaction, preventing the insert operation.
  Data Consistency Issues: There may be inconsistencies in the data being inserted, such as violating primary key constraints or foreign key constraints.
  Table Structure Changes: If the table structure has been altered (e.g., fields added or removed) while the system is trying to perform an insert, it can lead to errors.
  Database Corruption: There may be corruption in the database that is causing the insert operation to fail.
  Insufficient Authorizations: The user or process attempting the insert may not have the necessary authorizations to perform the operation.
  System Bugs: There may be a bug in the SAP system or the specific version you are using.
  
  Solutions:
  
  Check Database Locks: Use transaction codes like SM12 to check for locks on the table and release them if necessary.
  Review Data: Ensure that the data being inserted does not violate any constraints. Check for duplicates or invalid entries.
  Check Table Structure: Verify that the table structure is as expected and that there have been no recent changes that could affect the insert operation.
  Database Consistency Check: Run database consistency checks to identify and resolve any corruption issues.
  User Authorizations: Ensure that the user or process has the necessary authorizations to perform the insert operation.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the program or transaction that is causing the error to identify the root cause.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SM21 (System Log) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Conclusion:
  Resolving the 0U121 ERROR: Internal error when inserting in table: & error requires a thorough investigation of the underlying causes. By following the suggested solutions and gathering relevant information, you can work towards identifying and fixing the issue.