Error when trying to regenerate the CDS views -> Long text

What causes this issue?

The CDS views for balance carry forward were not up to date, therefore
the system tried to regenerate them.
Unfortunately some errors occurred when trying to regenerate these CDS
views.

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?

Please have a look at the errors in the application log with transaction
SLG1 for Object FINS, Subobject FINS_GENERATE and External ID SAPFGLBCF
to find the root cause for the problem.
<DS:TRAN.SLG1>Execute function</>
If the root cause for the problem is removed, please start the balance
carry forward program again which will regenerate the CDS views
automatically.
If the problem should persist please proceed according note 2666211.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.