How To Fix CNV_20900066 - &1: hidden field &2 does not contain a value

CNV_20900066 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 066

• Message text: &1: hidden field &2 does not contain a value

What causes this issue?

During conversion &V1& (account groups in brackets), the account group
will change. Other than for the old account group, field "&V3&" &V2&
(table key without client in brackets) is hidden for the new one.
However no value has been specified for it anyway.

Error message extract from SAP system. Copyright SAP SE.

CNV_20900066 - Details

• The SAP error message CNV_20900066 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a hidden field (field &2) is expected to contain a value, but it is currently empty or not populated.
  
  Cause:
  
  Missing Data: The field that is supposed to contain a value is not populated in the source data. This could be due to data extraction issues or incomplete data in the source system.
  Mapping Issues: There may be a problem with the mapping of fields between the source and target systems, leading to the hidden field not being filled correctly.
  
  Configuration Issues: The configuration of the migration tool or the data model may not be set up correctly, causing certain fields to be overlooked or not filled.
  Data Validation Rules: The data being migrated may not meet the validation rules set in the target system,