How To Fix CNV_20900192 - Participating vendors have different Dunning level (LFB5-MAHNS)

CNV_20900192 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 192

• Message text: Participating vendors have different Dunning level (LFB5-MAHNS)

Diagnosis
According to the mapping, you want to merge two or more old vendor
records into one target vendor record. However, not all the old records
have identical master data settings: It was found that old vendor
records have different Dunning level. (This setting is determined by the
indicator 'Dunning level', field <ZH>LFB5-MAHNS</>).
This may lead to inconsistencies in some applications related to target
vendor data.
System Response
<ZH>Error</>
From a technical perspective, this message can be ignored. This may make
sense in the following cases:
No postings to the respective vendor records have been made.
The respective vendor records are not used any longer and are meant to
be merged into a dummy record.
Procedure
Analyze the situation, and either change the mapping so that only vendor
records with identical master data settings are merged or decide to
ignore the message because one of the special cases described above
applies.
If you decide to ignore the error even though none of the special cases
described above applies, consider that <ZH>the target vendor record
will get the Dunning level of the old vendor record for which the
priority indicator is set.</> Make sure to evaluate the impact of this
decision - for example regarding potential inconsistencies and required
follow-up activities - <ZH>before</> you continue with the conversion.

Error message extract from SAP system. Copyright SAP SE.

CNV_20900192 - Details

• The SAP error message CNV_20900192 indicates that there is a discrepancy in the dunning levels of participating vendors in a financial transaction or process. This error typically arises during data migration or when performing certain financial operations that involve multiple vendors.
  
  Cause:
  The error occurs because the participating vendors have different dunning levels defined in their vendor master records. Dunning levels are used in accounts payable to determine how overdue invoices are managed and communicated to vendors. If the vendors involved in a transaction have different dunning levels, the system cannot process the transaction correctly, leading to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Vendor Master Records:
  
  Go to the vendor master data (transaction code XK03 or MK03) and check the dunning level for each participating vendor.
  Ensure that the dunning levels are consistent across all vendors involved in the transaction.
  
  
  
  Update Dunning Levels:
  
  If you find discrepancies, you can update the