How To Fix XI100 - Dynpro header cannot be used in R/2 (size/type not allowed)

SAP Error Message - Details

• Message type: E = Error

• Message class: XI - Message class for Workbench interface

• Message number: 100

• Message text: Dynpro header cannot be used in R/2 (size/type not allowed)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XI100 - Dynpro header cannot be used in R/2 (size/type not allowed) ?

  The SAP error message "XI100 Dynpro header cannot be used in R/2 (size/type not allowed)" typically occurs in the context of SAP systems when there is an issue with the screen (dynpro) header definition in a program or module pool. This error is particularly relevant in the context of SAP R/2 systems, which are older and have different constraints compared to R/3 or S/4HANA systems.
  Cause:
  
  Incompatible Dynpro Definition: The dynpro header may be defined with attributes or sizes that are not compatible with R/2 systems. This could include incorrect field sizes, types, or other properties that are not supported in the R/2 environment.
  Incorrect Program Type: The program may be incorrectly classified or defined, leading to the use of a dynpro header that is not suitable for the R/2 system.
  Legacy Code: If the code was migrated from a newer system to an R/2 system, it may contain elements that are not supported in the older environment.
  
  Solution:
  
  Review Dynpro Definition: Check the dynpro header definition in the program. Ensure that all fields and attributes conform to the specifications allowed in R/2. This may involve adjusting field sizes, types, or other properties.
  Modify Program Type: Ensure that the program is defined correctly as a module pool or report program, as appropriate for the dynpro being used.
  Consult Documentation: Refer to SAP documentation for R/2 to understand the limitations and requirements for dynpro definitions.
  Testing: After making changes, test the program to ensure that the error is resolved and that the dynpro functions as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on dynpro definitions in R/2 systems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Development Guidelines: Familiarize yourself with the development guidelines for R/2 systems to avoid similar issues in the future.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or developer who has experience with R/2 systems for more tailored assistance.