How To Fix 00661 - Terminal/message output overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 661

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 00661 - Terminal/message output overflow ?

  The SAP error message "00661 Terminal/message output overflow" typically indicates that the output buffer for messages in the SAP system has exceeded its capacity. This can happen when a large number of messages are generated in a short period, or when the messages are too lengthy for the buffer to handle.
  Cause:
  
  Excessive Message Generation: Too many messages are being sent to the terminal or output device, causing the buffer to overflow.
  Long Messages: Individual messages may be too long, contributing to the overflow.
  Configuration Issues: The output device or terminal may not be configured to handle the volume of messages being generated.
  System Performance: High system load or performance issues may exacerbate the problem, leading to delays in processing messages.
  
  Solution:
  
  Reduce Message Volume: Review the processes generating messages and see if you can reduce the number of messages being sent. This may involve adjusting logging levels or modifying the application logic.
  Increase Buffer Size: If possible, increase the size of the output buffer for messages. This may involve configuration changes in the SAP system or the output device settings.
  Check Output Device Configuration: Ensure that the output device (e.g., printer, terminal) is properly configured to handle the expected message load.
  Monitor System Performance: Check for any performance issues in the SAP system that may be causing delays in message processing. Address any bottlenecks or resource constraints.
  Use Transaction Codes: You can use transaction codes like SP01 to monitor spool requests and identify any issues related to message output.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Documentation: Review SAP documentation for guidance on configuring output devices and managing message output.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with details about the error and the context in which it occurs.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the "00661 Terminal/message output overflow" error in your SAP system.