How To Fix 14021 - Terminal/message output overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 021

• Message text: Terminal/message output overflow

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 14021 - Terminal/message output overflow ?

  The SAP error message "14021 - Terminal/message output overflow" typically occurs when the output buffer for messages in the SAP system exceeds its capacity. This can happen in various scenarios, such as when a large number of messages are generated in a short period, or when the messages themselves are too lengthy.
  Cause:
  
  Excessive Message Generation: Too many messages are being sent to the output terminal or screen, exceeding the buffer limit.
  Long Messages: Individual messages may be too long, contributing to the overflow.
  System Configuration: The configuration settings for message output may not be optimized for the volume of messages being processed.
  
  Solution:
  
  
  Reduce Message Volume: Review the processes generating messages and try to minimize the number of messages being sent. This can involve:
  
  Adjusting logging levels.
  Suppressing non-critical messages.
  Batch processing to reduce the frequency of messages.
  
  
  
  Shorten Message Length: If possible, modify the content of the messages to make them shorter. This can involve:
  
  Using abbreviations.
  Summarizing information.
  
  
  
  Increase Buffer Size: If the system allows, consider increasing the size of the message output buffer. This may require adjustments in system parameters or configuration settings.
  
  
  Check System Settings: Review the configuration settings related to message handling in the SAP system. This may include:
  
  Transaction codes like RZ10 for profile parameters.
  Adjusting settings in the SAP GUI or terminal settings.
  
  
  
  Monitor and Analyze: Use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to monitor for any related issues or patterns that could help identify the root cause.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that address this specific error message. There may be updates or recommendations from SAP that can help resolve the issue.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on message handling and system configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  System Performance: Regularly monitor system performance and message handling to prevent future occurrences of this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.