How To Fix /BCV/SIN002 - Only one master system is allowed

/BCV/SIN002 - Overview

• Message type: E = Error

• Message class: /BCV/SIN -

• Message number: 002

• Message text: Only one master system is allowed

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 /BCV/SIN002 - Only one master system is allowed ?

  The SAP error message /BCV/SIN002 Only one master system is allowed typically occurs in the context of SAP Landscape Management (LaMa) or when dealing with system replication scenarios, particularly in a High Availability (HA) setup. This error indicates that the system you are trying to configure or manage is already designated as a master system, and the system does not allow multiple master systems in the same landscape.
  
  Cause:
  
  Multiple Master Systems: The primary cause of this error is that there is already an existing master system configured in the landscape, and you are attempting to configure another system as a master.
  
  Configuration Issues: There may be misconfigurations in the system landscape that lead to the system being recognized as a master when it should not be.
  Replication Settings: In scenarios involving system replication, the settings may not be correctly defined, leading to confusion about which system is the master.
  
  
  Solution:
  
  Check Existing Master System: Verify