How To Fix B1889 - For the currency code &1 ALE communication is not allowed

B1889 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 889

• Message text: For the currency code &1 ALE communication is not allowed

What causes this issue?

The ISO code assigned to the current currency code is not unique and
the primary flag is NOT set. This currency code can therefore not be
used for external communication.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1889 - For the currency code &1 ALE communication is not allowed ?

  The SAP error message B1889 indicates that there is an issue with ALE (Application Link Enabling) communication for a specific currency code. This error typically arises when trying to process data related to a currency that is not allowed for ALE communication in the system.
  
  Cause:
  
  Currency Configuration: The currency code specified in the error message is not configured for ALE communication in the system. This could be due to missing settings in the ALE configuration or the currency not being defined in the relevant master data.
  Master Data Issues: The currency may not be assigned to the relevant master data (e.g., customer, vendor, or material) that is being processed.
  Logical System Settings: The logical system settings may not include the currency in question, leading to restrictions on communication.
  
  
  Solution:
  
  
  Check Currency Configuration:
  
  Go to the transaction code OB08 to check the currency settings. Ensure that the currency code is correctly defined and active.
  Verify that the currency