Message type: E = Error
Message class:  CNV20551 - message for package 20551 (company code delete) 
Message number: 340
Message text: J_OBJNR,OBART=& must be defined in CNV_20551_OBJ and CNV_20551_DERIV
The object type J_OBJNR must still be made known to CNV_20551_OBJ - with
a suitable SEQNUM value. Otherwise, this object is ignored during the
deletion.
If no determination is defined for this object, SEQNUM must be initial.
In the other cases (SEQNUM = 1,2,3,4,5), a suitable determination rule
must additionally be stored in CNV_20551_DERIV, CNV_20551_DERIV1,
CNV_20551_DERIV2.
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.
The SAP error message CNV20551340 indicates that there is a missing or undefined object type (OBART) for a specific object number (J_OBJNR) in the conversion process related to the SAP system. This error typically arises during data migration or conversion activities, particularly when using SAP's Conversion Tools or during the execution of a specific migration project.
Cause: Missing Configuration: The object type (OBART) and object number (J_OBJNR) are not defined in the required tables CNV_20551_OBJ and CNV_20551_DERIV. This could happen if the necessary configuration or mapping for the data conversion has not been set up correctly. Data Inconsistency: There may be inconsistencies in the data being processed, leading to the system not being able to find the required definitions. Incorrect Object Type: The object type being referenced may not be valid or recognized by the conversion program.
Solution: Check Configuration: Verify that the object type (OBART) and object number (J_OBJNR) are correctly defined in the tables
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