M8 147MMMIGOMIROOBYC
Account determination for entry ... not possible
What it actually means
SAP knows it must post an accounting document for your goods movement, but no G/L account is configured for that combination.
Why it happens
- The valuation class on the material master has no account assigned in OBYC.
- The material has no valuation class at all (accounting view missing or incomplete).
- The transaction/event key (BSX, WRX, PRD, GBB…) is missing an entry for your chart of accounts or valuation area.
- A new plant, material type, or valuation grouping code was created without extending account determination.
How to fix it
- 1Read the message: it names the chart of accounts, the transaction key, and the valuation class it could not resolve.
- 2Check the material master accounting view — is a valuation class set?
- 3In OBYC, open the transaction key from the message and add the missing account for that valuation class / valuation modifier.
- 4Use the simulation in MIGO to confirm the accounting document resolves before posting.
Stopping it happening again
When new material types, plants, or valuation classes are introduced, review OBYC as part of the change.
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