How To Fix CNV10300001 - It was not possible to assign Parameter &1 properly

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV10300 - Message class for development class CNV_10300

• Message number: 001

• Message text: It was not possible to assign Parameter &1 properly

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10300001 - It was not possible to assign Parameter &1 properly ?

  The SAP error message CNV10300001, which states "It was not possible to assign Parameter &1 properly," typically occurs during data migration or conversion processes, particularly when using SAP's tools for data transfer or conversion, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  
  Cause:
  The error usually indicates that there is an issue with the assignment of a parameter in the migration or conversion process. This could be due to several reasons, including:
  
  Missing Configuration: The parameter that is being referenced may not be properly configured in the system.
  Data Type Mismatch: The data type of the parameter being assigned may not match the expected data type.
  Incorrect Mapping: There may be an issue with how the data is being mapped from the source to the target system.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the assignment.
  Technical Issues: There could be underlying technical issues, such