Message type: E = Error
Message class:  AU - FI-AA utility program error messages 
Message number: 212
Message text: Specify a leasing type for the asset &-&.
You must specify a leasing type for the automatic initial posting of
a leased asset.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Specify a leasing type in the master record of the asset concerned.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message AU212 ("Specify a leasing type for the asset &-&.") typically occurs in the context of asset accounting when you are trying to create or modify an asset that is related to leasing. This error indicates that the system requires you to specify a leasing type for the asset you are working with.
Cause:
Missing Leasing Type: The asset you are trying to create or modify does not have a leasing type assigned to it. This is a mandatory field for assets that are classified as leased.
Configuration Issues: The asset class may not be properly configured to handle leasing types, or the leasing type may not be defined in the system.
Data Entry Error: There may have been an oversight during data entry where the leasing type was not filled in.
Solution:
Specify Leasing Type:
When creating or modifying the asset, ensure that you fill in the leasing type field. This can usually Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
AU211 Payment pattern & must be a factor of the posting periods.
What causes this issue?  The specified payment pattern (every &V1& periods) is not a factor of the number of posting periods per year.System R...
AU210 Asset &-& blocked for posting.
What causes this issue?  The asset is blocked for postings.System Response  The system issues an error message and will not allow you to continue with...
AU213 Specify a leasing charge for the asset &-&.
What causes this issue?  You must specify a leasing charge to be paid off periodically for the automatic initial posting of the leased asset.System Re...
AU214 Specify the number of leasing charges for the asset &-&.
What causes this issue?  You must specify the number of leasing charges to be paid off periodically for the automatic initial posting of the leased as...
Click on this link to search all SAP messages.