How To Fix WEBDYNPRO_RT010 - Number of called applications

SAP Error Message - Details

• Message type: E = Error

• Message class: WEBDYNPRO_RT - Message class of Web Dynpro runtime

• Message number: 010

• Message text: Number of called applications

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WEBDYNPRO_RT010 - Number of called applications ?

  SAP Error Message:
  
  WEBDYNPRO_RT010 - Number of called applications
  
  Cause:
  This error typically occurs in SAP Web Dynpro applications when the number of called (or instantiated) Web Dynpro applications exceeds a certain limit. This can happen due to:
  
  Recursive or repeated calls to Web Dynpro applications without proper termination.
  Incorrect application design causing multiple instances to be created unnecessarily.
  A loop or logic error in the code that triggers multiple calls.
  System or configuration limits on the number of Web Dynpro applications that can be called or instantiated simultaneously.
  
  
  Explanation:
  The message WEBDYNPRO_RT010 is a runtime error indicating that the system has detected too many Web Dynpro applications being called or instantiated at once, which can lead to performance degradation or system instability.
  
  Solution:
  
  
  Check Application Logic:
  
  Review the Web Dynpro application code and flow to ensure that applications are not being called recursively or in an uncontrolled loop.
  Make sure that each application instance is properly terminated or released before a new one is called.
  
  
  
  Optimize Application Calls:
  
  Avoid unnecessary calls to other Web Dynpro applications.
  Use component reuse or embedded components instead of calling multiple separate applications if possible.
  
  
  
  Check Configuration and Limits:
  
  Verify if there are any system parameters or limits set for the maximum number of Web Dynpro applications that can be instantiated.
  Consult SAP notes or system documentation for any relevant parameters that can be adjusted.
  
  
  
  Debugging:
  
  Use the Web Dynpro trace and runtime analysis tools to identify where and why multiple applications are being called.
  Check the call stack and application flow to pinpoint the source of excessive calls.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WEBDYNPRO_RT010 for any patches or known issues.
  If the problem persists, consider raising a support ticket with SAP, providing detailed logs and traces.
  
  
  
  
  Related Information:
  
  Web Dynpro Application Architecture: Understanding how Web Dynpro applications are instantiated and managed can help prevent such errors.
  SAP Web Dynpro Runtime Environment: Familiarity with the runtime environment and its limits is useful.
  SAP Notes: Check the SAP Support Portal for notes related to WEBDYNPRO_RT010.
  Transaction /IWNGW/ERROR_LOG: For SAP Gateway and Web Dynpro error logs.
  Debugging Tools: Use transaction SE80 for Web Dynpro development and debugging, and ST22 for dumps if any occur.
  
  
  Summary:
  The WEBDYNPRO_RT010 error indicates too many Web Dynpro applications are being called simultaneously. The solution involves reviewing and optimizing application logic to prevent excessive or recursive calls, checking system limits, and using debugging tools to identify the root cause. Consulting SAP Notes and support may also be necessary for persistent issues.