Message type: E = Error
Message class:  CNV_CMIS_A_30_MSG - Message class for system Analysis 
Message number: 012
Message text: Unable to get Installed components detail
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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The SAP error message CNV_CMIS_A_30_MSG012 ("Unable to get Installed components detail") typically occurs in the context of SAP system migrations or conversions, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that the system is unable to retrieve details about the installed components, which can hinder the migration or upgrade process.
Causes:
Missing or Incomplete Configuration: The system may not be properly configured to access the necessary component details.
Authorization Issues: The user executing the transaction may not have the required authorizations to access the component information.
System Connectivity Issues: There may be network or connectivity issues preventing the system from accessing the required data.
Database Issues: Problems with the underlying database, such as corruption or misconfiguration, can lead to this error.
SAP Notes Not Implemented: There may be relevant SAP Notes that address this issue, and if they are not implemented, it could lead to this error.
Solutions:
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