How To Fix CNV20200280 - &1 (&2) set to READONLY in CNVFIELDS

CNV20200280 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 280

• Message text: &1 (&2) set to READONLY in CNVFIELDS

Self-Explanatory Message

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CNV20200280 - Details

• The SAP error message CNV20200280 indicates that a field in the CNVFIELDS table is set to READONLY, which means that it cannot be modified or updated during the data migration process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other data conversion tools.
  
  Cause:
  
  Field Configuration: The field in question may be configured as READONLY in the system due to its nature or the way it is defined in the data model.
  Data Migration Settings: The migration settings or the mapping configuration may not allow changes to certain fields, especially if they are critical for data integrity.
  Technical Restrictions: Some fields are inherently READONLY due to their technical characteristics, such as system-generated fields or fields that are derived from other data.
  
  
  Solution:
  
  Check Field Properties: Review the properties of the field in the CNVFIELDS table to understand why it is set to READONLY.