How To Fix CNV_PE858 - Data type &1 is not supported

CNV_PE858 - Overview

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 858

• Message text: Data type &1 is not supported

What causes this issue?

The data type &V1& is <ZH>not</> supported.
The object, to which this field belongs to, will be present as structure
in the signature of the generated function module <LS>WL150</> (Write
Function for Worklist of an Area). A structure of a function module must
be a flat structure. Internal tables, strings, references, and
structures <ZH>cannot</> be used as components.

System Response

Error

How to fix this error?

Use a different data type

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNV_PE858 - Details

• The SAP error message CNV_PE858, which states "Data type &1 is not supported," typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that the data type specified (represented by &1) is not recognized or supported by the system or the specific migration tool being used.
  Causes:
  
  Unsupported Data Types: The data type being used in the source system may not be compatible with the target system or the migration tool. This can happen if the source system has custom data types or if the data type is not standard in SAP.
  
  Configuration Issues: There may be configuration settings in the migration tool that do not support certain data types.
  Version Mismatch: The version of the migration tool or the SAP system may not support the data type due to differences in versions or updates.
  Data Mapping Errors: Incorrect mapping of