'Post gross acquisition' is not possible

What causes this issue?

You tried to set the indicator for gross acquisition posting for
transaction type &v1&. The indicator for 'set acquisition date' and/or
the indicator for 'proportional values are entered' are not set in
transaction type group &v2&, to which transaction type &v1& belongs.

System Response

Therefore gross posting is not possible with this transaction type.

How to fix this error?

In order to make gross acquisition postings, you have to create a
transaction type in a transaction type group where the indicators
mentioned above are set.

Error message extract from SAP system. Copyright SAP SE.