How To Fix CNV_20000042 - Caution: Posting Period Variant &1 is not converted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 042

• Message text: Caution: Posting Period Variant &1 is not converted

What causes this issue?

This checkpoint is relevant exclusively for org.-dependent conversions.
This posting period variant was found for a participating company code
during an org.dependent conversion. However, the company code and the
posting period variant have different names.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

This variant cannot be converted in table T001B.

How to fix this error?

Either the assignment of the posting period variant must be changed, or
the a. m. variant must be adapted manually.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000042 - Caution: Posting Period Variant &1 is not converted ?

  The SAP error message CNV_20000042 indicates that there is an issue with the posting period variant during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error message "Caution: Posting Period Variant &1 is not converted" suggests that the specified posting period variant (denoted by &1) has not been successfully converted or mapped during the migration process. This can occur due to several reasons:
  
  Missing Configuration: The posting period variant may not be configured in the target system.
  Inconsistent Data: There may be inconsistencies or missing entries in the source system that prevent the conversion.
  Mapping Issues: The mapping between the source and target systems may not be correctly defined for the posting period variant.
  Authorization Issues: The user performing the migration may not have the necessary authorizations to access or convert the posting period variant.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify that the posting period variant exists in the target system. You can do this by navigating to the configuration settings for posting periods in the target SAP system.
  Ensure that the posting period variant is correctly defined and active.
  
  
  
  Review Migration Settings:
  
  Check the migration settings to ensure that the posting period variant is included in the mapping process.
  If necessary, adjust the mapping to ensure that the posting period variant from the source system is correctly mapped to the target system.
  
  
  
  Data Consistency:
  
  Review the source data for any inconsistencies or missing entries related to the posting period variant.
  Ensure that all necessary data is available and correctly formatted for the migration.
  
  
  
  Authorization Check:
  
  Ensure that the user performing the migration has the necessary authorizations to access and convert the posting period variant.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration tool you are using for any additional guidance or troubleshooting steps.
  
  
  
  Run Migration Again:
  
  After making the necessary adjustments, rerun the migration process to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Transaction Codes: Familiarize yourself with transaction codes related to posting period variants, such as OBBP (Define Posting Periods) and OB52 (Open and Close Posting Periods).
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully convert the posting period variant.