Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 015
Message text: Package &1: SELECT-SINGLE-MODE was activated
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The SAP error message CNV20551015 indicates that the "SELECT-SINGLE-MODE" was activated for a specific package. This message typically arises in the context of data migration or conversion processes, particularly when using SAP's Conversion Tools or during system upgrades.
Cause: The error message CNV20551015 is triggered when the system detects that the SELECT-SINGLE-MODE is activated for a package. This mode is generally used to optimize database access by ensuring that only a single record is fetched from the database when a SELECT statement is executed. However, if this mode is activated inappropriately or if the package is not designed to handle it, it can lead to issues in data processing.
Solution: To resolve this error, you can take the following steps: Check Package Configuration: Review the configuration of the package that is causing the error. Ensure that it is set up correctly and that the SELECT-SINGLE-MODE is appropriate for the operations being performed. Deactivate SELECT-SINGLE-MODE: If the
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