Message type: E = Error
Message class:  FMCA_INV_GTR - Grantor Billing: FICA Invoicing 
Message number: 009
Message text: Wrong configured account assignment derivation (&1 but is &2)
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The SAP error message FMCA_INV_GTR009 indicates that there is a problem with the configuration of account assignment derivation in the Funds Management (FM) module. Specifically, the message suggests that there is a mismatch between the expected account assignment and the actual account assignment derived during the transaction.
Cause: The error typically arises due to one of the following reasons:
Configuration Issues: The account assignment derivation rules in the system may not be correctly configured. This can happen if the derivation strategy does not match the settings in the configuration. Master Data Issues: The master data (such as cost centers, internal orders, or funds centers) may not be set up correctly, leading to incorrect account assignments. Transaction Data Issues: The transaction data being processed may not meet the criteria defined in the account assignment derivation rules. Missing or Incorrect Derivation Rules: There may be missing or incorrectly defined derivation rules in the system that are supposed to
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