How To Fix 06388 - Not possible to set tax code without tax calculation schema

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 388

• Message text: Not possible to set tax code without tax calculation schema

What causes this issue?

The system was not able to find an assignment of the entered
<GL:tax_code>tax code</> to a tax calculation schema, because either

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

no <GL:company_code>company code</> has been maintained for the
purchasing organization, or
no tax calculation schema has been maintained for company code &V1& of
the relevant <GL:plant>plant</>.
&WHAT_TO_DO& (system administrator):
In the second case (no tax calculation schema maintained) define a
calculation schema for the country of the company code via the
Financial Accounting Customizing facility.

To branch to the IMG, click <DS:SIMG.SIMG_CFMENUORFBOBBG>here</>.
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 06388 - Not possible to set tax code without tax calculation schema ?

  The SAP error message "06388 Not possible to set tax code without tax calculation schema" typically occurs when there is an attempt to assign a tax code in a transaction or document where the system does not have a tax calculation schema defined. This can happen in various scenarios, such as during invoice processing, sales order creation, or other financial transactions that involve tax calculations.
  Cause:
  
  Missing Tax Calculation Schema: The tax calculation schema is not defined for the company code or the relevant transaction type.
  Configuration Issues: The tax configuration in the system may not be set up correctly, leading to the inability to determine the appropriate tax code.
  Document Type Settings: The document type being used may not be linked to a tax calculation schema.
  User Role/Authorization: The user may not have the necessary authorizations to access or modify tax-related settings.
  
  Solution:
  
  
  Define Tax Calculation Schema:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Financial Accounting (New) > Financial Accounting Global Settings (New) > Tax on Sales/Purchases > Basic Settings > Define Tax Calculation Schema.
  Ensure that a tax calculation schema is defined for the relevant company code.
  
  
  
  Assign Tax Calculation Schema:
  
  Ensure that the tax calculation schema is assigned to the relevant document types and company codes.
  Check the settings under Financial Accounting (New) > Financial Accounting Global Settings (New) > Tax on Sales/Purchases > Basic Settings > Assign Tax Calculation Schema to Company Code.
  
  
  
  Check Document Type Configuration:
  
  Verify that the document type being used is correctly configured to use the tax calculation schema.
  This can be checked in the document type settings under Financial Accounting.
  
  
  
  Review User Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify tax settings.
  This may involve checking roles and profiles assigned to the user.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Documentation: Review SAP documentation on tax configuration and calculation schemas for more detailed guidance.
  Community Forums: Engage with SAP community forums or support channels for additional help and shared experiences from other users.
  
  By following these steps, you should be able to resolve the error message and ensure that tax codes can be set correctly in your SAP system.