How To Fix CNVA_20290_CHECK121 - At least one company code has differences regarding the tax postings

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20290_CHECK - Message class for company code merge preanalysis

• Message number: 121

• Message text: At least one company code has differences regarding the tax postings

At least one company code has differences regarding the tax postings in
the last balance sheet adjustment run. This means, that for at least one
company code the postings for the balance sheet adjustment also included
taxes, but not for all involved company codes. This has no effects on
you actual tax payment but has an effect on the internal tax
distribution.
If you want to use the tax postings for the merged company code, you
have to run the next balance sheet adjustment with tax posting. Note
that in this case, all tax postings of former runs which are not yet
considered are booked in the next period.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20290_CHECK121 - At least one company code has differences regarding the tax postings ?

  The SAP error message CNVA_20290_CHECK121 indicates that there are discrepancies in tax postings across different company codes in your SAP system. This typically occurs during processes such as financial closing, intercompany transactions, or when trying to execute certain reports or postings that involve multiple company codes.
  Cause:
  
  Different Tax Settings: Each company code may have different tax settings or configurations, leading to inconsistencies in how taxes are calculated or posted.
  Inconsistent Tax Codes: The tax codes used in transactions may not be uniformly defined across the company codes, causing discrepancies.
  Different Tax Jurisdictions: If the company codes operate in different tax jurisdictions, they may have different tax rates or rules.
  Master Data Issues: Inconsistencies in master data (like vendor or customer records) across company codes can lead to differences in tax postings.
  Posting Periods: If the posting periods are not aligned across company codes, it can lead to discrepancies in tax calculations.
  
  Solution:
  
  Review Tax Configuration: Check the tax configuration settings for each company code. Ensure that they are consistent and aligned with the business requirements.
  Standardize Tax Codes: Ensure that the same tax codes are used across all relevant company codes. If necessary, create or modify tax codes to ensure uniformity.
  Check Master Data: Review the master data for vendors, customers, and materials to ensure that tax-related information is consistent across company codes.
  Align Posting Periods: Make sure that the posting periods are open and consistent across all company codes involved in the transaction.
  Consult Documentation: Refer to SAP documentation or consult with your SAP support team for specific guidelines on resolving tax posting discrepancies.
  Run Reports: Use SAP reports to identify specific transactions or postings that are causing the discrepancies. This can help in pinpointing the exact issue.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like OBYZ (for tax code determination) or OB40 (for tax configuration) to review and adjust settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide guidance on resolving this error.
  Testing: After making changes, conduct thorough testing to ensure that the discrepancies are resolved and that tax postings are now consistent across company codes.
  Documentation: Keep documentation of any changes made for future reference and compliance purposes.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in SAP financials for further assistance.