Message type: E = Error
Message class: FL - Function Builder messages
Message number: 421
Message text: Dialog modules are no longer supported
Dialog modules are an obsolete form of technology that is no longer
supported.
Instead, use transaction SE37 to create function modules.
The creation of the dialog module is canceled.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
FL421
- Dialog modules are no longer supported ?The SAP error message FL421, which states "Dialog modules are no longer supported," typically indicates that the system is trying to execute a dialog module that is outdated or deprecated. This can occur in various scenarios, such as when using older custom programs or transactions that rely on dialog modules that SAP has phased out in favor of newer technologies.
Cause: Outdated Code: The dialog module being called is part of an older codebase that has not been updated to comply with current SAP standards. Deprecated Functionality: SAP periodically deprecates certain functionalities and modules as part of its evolution and improvement of the system. Custom Development: If there are custom programs or enhancements that utilize dialog modules, they may not be compatible with the current version of SAP.
Solution: Update Code: Review the code that is generating the error and update it to use supported function modules or methods. This may involve replacing the dialog module
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