How To Fix QI166 - Hash management error on subsystem

QI166 - Overview

• Message type: E = Error

• Message class: QI - Notifications for interface modules for connecting subsyst.

• Message number: 166

• Message text: Hash management error on subsystem

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message QI166 - Hash management error on subsystem ?

  The SAP error message QI166, which indicates a "Hash management error on subsystem," typically relates to issues with the Quality Management (QM) module in SAP. This error can occur during the processing of quality notifications, inspections, or other QM-related activities. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Data Corruption: There may be corrupted data in the quality management tables or in the hash tables used by the subsystem.
  
  Configuration Issues: Incorrect configuration settings in the QM module or related subsystems can lead to hash management errors.
  System Bugs: There may be bugs in the SAP system or specific patches that have not been applied, leading to unexpected behavior.
  Database Issues: Problems with the underlying database, such as locks or inconsistencies, can also trigger this error.
  Performance Issues: High system load or performance bottlenecks can lead to timeouts or failures in hash management.
  
  Solutions:
  
  Check for Data Integrity: Use transaction codes like SE11