Message type: E = Error
Message class:  CNV20200 - Messages for development class CNV_20200 
Message number: 054
Message text: &1=&2 cannot be processed. House bank ID information is not unique
&V1& = &V2& cannot be processed.
House bank ID information is not unique.
Following house bank IDs were found:
&V3&
Error
Check the used organizational determination path.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV20200054 indicates that there is an issue with the house bank ID information in the context of a data migration or conversion process. Specifically, the error states that the house bank ID is not unique, which means that there are multiple entries in the system that share the same house bank ID, leading to ambiguity in processing.
Cause: Duplicate Entries: The most common cause of this error is the presence of duplicate house bank IDs in the relevant tables. This can happen if the data being migrated or converted contains multiple records with the same house bank ID. Data Inconsistency: There may be inconsistencies in the data being processed, such as incorrect mappings or missing information that leads to the same house bank ID being referenced multiple times.
Configuration Issues: There could be issues in the configuration of house banks in the SAP system, leading to non-unique identifiers.
Solution: Identify Duplicates: Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20200053 &1=&2 cannot be processed. Company code information is not unique
What causes this issue?  &V1& = &V2& cannot be processed. Company code information is not unique. Following company codes were found: ...
CNV20200052 Open payment run (date=&1, ID=&2) with paying CoCd &3, sending CoCd &4
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20200055 Change documents for NRINTERVAL and PRCTR: SumUp A set for CDPOS
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20200056 &1 : &2=&3 could not be converted, missing company code. SRTFD=&4
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.