How To Fix CNV_12000053 - More than one row was selected; only select one row

CNV_12000053 - Overview

• Message type: E = Error

• Message class: CNV_12000 - Messages for shorttext and description conversion

• Message number: 053

• Message text: More than one row was selected; only select one row

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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CNV_12000053 - Details

• The SAP error message CNV_12000053 indicates that a query or operation is attempting to select more than one row from a database table or view when only a single row is expected. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's Data Migration tools or during custom ABAP programs.
  
  Cause:
  
  Multiple Records Returned: The most common cause of this error is that the SQL query or selection criteria used in the program is returning multiple records instead of a single record. This can happen if the WHERE clause is not specific enough to uniquely identify a single row.
  Data Integrity Issues: There may be data integrity issues in the source system, where duplicate records exist that should not be there.
  Incorrect Logic in Code: The logic in the ABAP code or the migration tool may be flawed, leading to an attempt to fetch multiple rows when