How To Fix 50890 - Internal error: Error when reading internal table &1 in &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 50 - Messages in Package EEOB

• Message number: 890

• Message text: Internal error: Error when reading internal table &1 in &2 &3

What causes this issue?

An error occurred when reading an internal table.
An error probably exists in the program. Data inconsistencies may also
exist.

System Response

The system cannot execute your request because of a program error.

How to fix this error?

Note down:
The message text and the message number
The name of the internal table and the name of the module/form
The transaction/the report
The entries that led to this error
Send this information with a problem message to SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 50890 - Internal error: Error when reading internal table &1 in &2 &3 ?

  The SAP error message 50890, which states "Internal error: Error when reading internal table &1 in &2 &3," typically indicates that there is an issue with the internal processing of data within the SAP system. This error can arise from various causes, including:
  Causes:
  
  Data Corruption: The internal table being accessed may have corrupted data or may not be properly initialized.
  Program Logic Errors: There may be a bug in the ABAP code that is trying to read from the internal table, such as incorrect indexing or logic that leads to accessing an invalid entry.
  Memory Issues: Insufficient memory or resource allocation can lead to problems when trying to read large internal tables.
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior when processing data.
  Version Compatibility: If there are inconsistencies between different versions of SAP components or custom code, it may lead to this error.
  
  Solutions:
  
  Check the Code: Review the ABAP code that is generating the error. Look for any logic that might be incorrectly accessing the internal table. Ensure that the table is properly populated before it is accessed.
  Debugging: Use the SAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact line of code that is causing the issue.
  Data Validation: Ensure that the data being processed is valid and does not contain any unexpected values that could lead to errors.
  Memory Management: If the internal table is large, consider optimizing memory usage or breaking the data into smaller chunks for processing.
  SAP Notes: 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 known issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Consult SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE80 (Object Navigator) or SE38 (ABAP Editor) to analyze the program causing the error.
  Performance Monitoring: Use transaction ST22 (Dump Analysis) to check for any short dumps that may provide additional information about the error.
  Documentation: Review the documentation for the specific module or function you are working with to ensure that you are following best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.