How To Fix ACM_UI142 - Internal error: Parameter &1 does not exist in internal table

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM_UI - Message-Class for all ACM-UIs

• Message number: 142

• Message text: Internal error: Parameter &1 does not exist in internal 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 ACM_UI142 - Internal error: Parameter &1 does not exist in internal table ?

  The SAP error message ACM_UI142, which states "Internal error: Parameter &1 does not exist in internal table," typically indicates that the system is trying to access a parameter that is not present in the expected internal data structure. This can occur in various scenarios, often related to configuration or data integrity issues.
  Causes:
  
  Missing Configuration: The parameter referenced in the error message may not be configured correctly in the system.
  Data Integrity Issues: There may be inconsistencies or missing entries in the internal tables that the application is trying to access.
  Custom Development: If there are custom programs or enhancements, they may not be handling certain parameters correctly.
  Transport Issues: If the system has recently undergone a transport of changes, some objects may not have been transported correctly, leading to missing parameters.
  Version Compatibility: The error may arise if there are compatibility issues between different versions of SAP components.
  
  Solutions:
  
  Check Configuration: Verify that all necessary configurations related to the parameter in question are correctly set up in the system. This may involve checking transaction codes relevant to the module you are working with.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints to analyze the internal tables and see why the parameter is missing.
  Review Custom Code: If there are custom developments, review the code to ensure that it correctly handles all expected parameters and does not assume the existence of parameters that may not be present.
  Data Consistency Check: Run any relevant consistency checks or reports that can help identify missing or inconsistent data in the internal tables.
  Transport Management: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were included and transported correctly.
  SAP Notes: Search 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.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant context.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may need to check specific transaction codes (e.g., SPRO for configuration, SE80 for development).
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and potential solutions.
  Documentation: Review the official SAP documentation for the module you are working with to ensure that all necessary steps have been followed in the configuration.
  
  By following these steps, you should be able to identify the cause of the ACM_UI142 error and implement a suitable solution.