Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 180
Message text: &1 in CNVFIELDSCU was set to NOTUSE
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The SAP error message CNV20200180 indicates that a specific field in the CNV_FIELDS_CU table has been set to "NOTUSE." This typically occurs during a data migration or conversion process, particularly when using SAP's Conversion Tools.
Cause: The error arises when the system encounters a field that is marked as "NOTUSE" in the CNV_FIELDS_CU table. This means that the field is not intended to be used in the current conversion or migration process, which can lead to issues if the process expects to access or manipulate that field.
Solution: To resolve this error, you can take the following steps: Check the CNV_FIELDS_CU Table: Access the CNV_FIELDS_CU table in your SAP system. Look for the specific field that is causing the error and verify its status. If it is set to "NOTUSE," you will need to determine if it should be included in the conversion process. Modify Field Status: If the field is indeed required for your migration, you may need
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