SAP Knowledge Base Article - Preview

2519656 - Syslog (SM21) reports R07 and R08 errors


  • R07  Mode chain <xxxx> deleted, wrong predecessor:004

"An error was found in the session list. Contact SAP Support"

  • R08  Unattained modes in mode chain <xxxx>

"While checking the session chain an error was found in the internal administration of the task handler. Contact SAP Support"



SAP Netweaver ABAP


wrong predecessor TH_DELETE_USER TH_USER_LIST login/disable_multi_gui_login , KBA , BC-CST-DP , Dispatcher, Task Handler , Problem

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