SAP Message AY121 - The trans. type groups &1 and &2 for transfers are being deleted. Check.

Diagnosis
The system deleted the transaction type groups &V1& and &V2&,since you changed the control of the asset class, and the system hadautomatically set these transaction types.

Procedure
Check whether you need transaction type groups &V1& and &V2&for the summary capitalization of assets under construction for assetclass &V3&. Activate these transaction type groups if necessary,by branching into the maintenance of the transaction type; orcarry out the maintenance of the asset class again.