How To Fix 37666 - Maximum dynpro size & exceeded; size not changed

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 666

• Message text: Maximum dynpro size & exceeded; size not changed

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 37666 - Maximum dynpro size & exceeded; size not changed ?

  The SAP error message "37666 Maximum dynpro size & exceeded; size not changed" indicates that the size of a dynpro (dynamic program) has exceeded the maximum allowable limit in the SAP system. This typically occurs when the screen layout or the number of fields on a screen is too large, which can happen due to various reasons such as excessive use of fields, custom controls, or complex layouts.
  Cause:
  
  Excessive Fields: The dynpro may contain too many input fields or controls, exceeding the maximum size limit.
  Complex Layouts: If the screen layout is overly complex, it can lead to an increase in the dynpro size.
  Custom Development: Custom screens or modifications that add additional elements can inadvertently increase the size.
  SAP Version Limitations: Different versions of SAP may have different limits on dynpro sizes.
  
  Solution:
  
  Reduce the Number of Fields: Review the screen and remove any unnecessary fields or controls. Consider consolidating fields where possible.
  Simplify Layout: Simplify the layout of the screen to reduce complexity. This may involve breaking down a large screen into multiple smaller screens or tabs.
  Use Subscreens: If applicable, use subscreens to divide the content into manageable sections, which can help in reducing the size of the main dynpro.
  Review Custom Code: If the issue arises from custom development, review the code to ensure that it adheres to best practices and does not add unnecessary complexity.
  Check SAP Notes: Look for any relevant SAP Notes that may address this issue or provide guidance on best practices for screen design.
  Testing: After making changes, test the screen thoroughly to ensure that it functions correctly and meets user requirements.
  
  Related Information:
  
  Dynpro Size Limits: The maximum size for a dynpro can vary based on the SAP version and system configuration. It is important to refer to the official SAP documentation for specific limits.
  SAP GUI: The error may also be influenced by the version of the SAP GUI being used, so ensure that users are on a supported version.
  Performance Considerations: Reducing the size of dynpros can also improve performance, as smaller screens typically load faster and are more responsive.
  
  If the problem persists after attempting the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP screen development.