Message type: E = Error
Message class:  TU - Billing/Scheduling/Budget Billing 
Message number: 345
Message text: New budget billing plans for contract account &1
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The SAP error message TU345, which states "New budget billing plans for contract account &1," typically occurs in the context of budget billing plans in SAP's Contract Accounts Receivable and Payable (FI-CA) module. This error can arise when there are issues related to the creation or modification of budget billing plans for a specific contract account.
Cause: Inconsistent Data: The contract account may have inconsistent or incomplete data that prevents the creation of a new budget billing plan. Existing Plans: There may already be existing budget billing plans for the contract account that conflict with the new plan being created.
Configuration Issues: There could be configuration issues in the budget billing plan settings or related master data. Authorization Issues: The user may not have the necessary authorizations to create or modify budget billing plans for the specified contract account.
Solution: Check Existing Plans: Review the existing budget billing plans for the contract account to ensure there are
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