How To Fix RS_ADSO_MODEL166 - Field '&1': Conversion exit '&2' cannot be used with data type '&3'.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_ADSO_MODEL - Messages related to the Datastore Object Backend

• Message number: 166

• Message text: Field '&1': Conversion exit '&2' cannot be used with data type '&3'.

What causes this issue?

The conversion exit ('<(>&<)>2') is being used with a non-compatible
data type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The following restrictions apply:
'NUMCV': Data type must be equal to 'CHAR'
'ALPHA': Data type must be equal to 'CHAR'
'SNUMC': Data type must be equal to 'CHAR', and the length must be
between 2 and 32 characters
Others: Data type must be either 'NUMC' or 'CHAR'
Please adjust either the conversion exit or the data type in order to
comply with these restrictions.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_ADSO_MODEL166 - Field '&1': Conversion exit '&2' cannot be used with data type '&3'. ?

  The SAP error message RS_ADSO_MODEL166 typically occurs in the context of SAP BW (Business Warehouse) when working with Advanced DataStore Objects (ADSO). This error indicates that there is a mismatch between the data type of a field and the conversion exit that is being applied to it.
  Cause:
  
  Data Type Mismatch: The field specified in the error message (&1) is associated with a conversion exit (&2) that is not compatible with its data type (&3). For example, if the field is of type CHAR and the conversion exit is meant for a numeric type, this error will occur.
  Incorrect Configuration: The conversion exit may have been incorrectly assigned to the field in the data model or transformation rules.
  Field Definition Issues: The field may have been defined in a way that does not align with the expected data type for the conversion exit.
  
  Solution:
  
  Check Field Definition: Review the definition of the field in the ADSO. Ensure that the data type of the field matches the expected data type for the conversion exit.
  Review Conversion Exit: Verify that the conversion exit assigned to the field is appropriate for its data type. If the conversion exit is not suitable, either change the conversion exit or modify the field's data type.
  Adjust Transformation Rules: If the error occurs during data loading or transformation, check the transformation rules to ensure that the correct conversion exits are being used for the respective fields.
  Testing: After making changes, test the data load or transformation process again to ensure that the error is resolved.
  
  Related Information:
  
  Conversion Exits: These are functions in SAP that allow for the conversion of data from one format to another. They are often used for formatting purposes, such as converting date formats or numeric values.
  Data Types in SAP: Understanding the various data types in SAP (e.g., CHAR, NUMC, DATS) is crucial for ensuring compatibility with conversion exits.
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to this error message. SAP's official documentation can also provide insights into the correct usage of conversion exits and data types.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.