Message type: E = Error
Message class:  TPM_THX1 - Treasury: Message Class for P-HA 
Message number: 536
Message text: Purchase of &1 does not match direction of available exp. item amount
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The SAP error message TPM_THX1536 indicates that there is a mismatch between the purchase direction of a transaction and the available expected item amount in the context of Treasury and Risk Management (TRM) or Financial Supply Chain Management (FSCM). This error typically arises in scenarios involving financial instruments, such as derivatives or hedging transactions, where the expected cash flows do not align with the actual cash flows or the direction of the transaction.
Cause: Mismatch in Transaction Direction: The purchase transaction you are trying to execute does not align with the expected cash flow direction. For example, if the system expects a cash inflow but you are trying to record a cash outflow, this error will occur. Incorrect Configuration: There may be configuration issues in the system that lead to incorrect expected amounts being calculated or displayed. Data Entry Errors: Manual entry errors in transaction details, such as amounts or directions, can lead to
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