Message type: E = Error
Message class:  HRPIQ00REGIST - Messages Related to Registration 
Message number: 898
Message text: Function module &1 is obsolete and must no longer be used
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The SAP error message "HRPIQ00REGIST898 Function module &1 is obsolete and must no longer be used" indicates that a specific function module in the SAP system is outdated and should not be utilized in your current implementation. This typically occurs when SAP has deprecated certain function modules in favor of newer, more efficient alternatives.
Cause: Obsolescence of Function Module: The function module referenced in the error message has been marked as obsolete by SAP. This can happen due to various reasons, such as the introduction of new technologies, changes in best practices, or the need for improved performance and security. Custom Code: If your organization has custom code that relies on this obsolete function module, it will trigger this error when executed. Upgrades or Patches: The error may arise after an upgrade or patch where the function module was deprecated.
Solution: Identify the Function Module: Check the specific function module name indicated by &1 in the
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