How To Fix AC638 - Transfer variant &1 &2 &3: Method &4 acquis. TTY is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 638

• Message text: Transfer variant &1 &2 &3: Method &4 acquis. TTY is not allowed

What causes this issue?

Transfer method &V4& is specified for depreciation area &V3&. A
retirement transaction type is assigned for retirements, and therefore
an acquisition transaction type must be assigned for acquisitions that
allows manual entry of proportional values.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the assigned transaction type.

Error message extract from SAP system. Copyright SAP SE.