Message type: E = Error
Message class:  FKK_ID_AR - ARGENTINA: Legal report message class 
Message number: 057
Message text: BP lines not found in table T_FKKOP
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The SAP error message FKK_ID_AR057 indicates that the system could not find the business partner (BP) lines in the table T_FKKOP. This error typically occurs in the context of contract accounts receivable and payable (FI-CA) when trying to process a transaction that requires data from this table.
Cause: Missing Data: The most common cause is that the relevant business partner data is missing from the T_FKKOP table. This could happen if the business partner has not been properly set up or if the data has been deleted or not yet created. Incorrect Configuration: There may be configuration issues in the FI-CA module that prevent the system from correctly linking business partners to their respective contract accounts. Data Inconsistency: There could be inconsistencies in the database, such as orphaned records or issues arising from data migration or updates. Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the data related
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