Error while calling the SAP BW

What causes this issue?

The call of a query in the BI system returned error number &V1&
This error number means:
The specified application is not valid.
The query called is not valid.
Revise the query in your BI system.
The query called does not contain any data.
Check the selection criteria.
The query called is not consistent.
Revise the query in you BI system.
The result is not possible in fixed format (internal error).
Error calling the BI system
Inform your system administrator that an error with system connection
occurred.
Variable not defined
The query may have been changed in SAP BI. If necessary, revise the
query in your BI system or the Customizing for data retraction (see
below).
No method for the application (internal error)
No query for the method
The query may have been deleted in your BI system. If necessary, delete
the method in Customizing.
Other (internal error)

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?

If you have the necessary authorization, modify the data for "Data
Retraction for Retail/CP" accordingly in Customizing (
<DS:TRAN.MCW_AA>transaction MCW_AA</>); otherwise notify your system
administrator.
Internal errors should not occur in the allocation strategies provided
by SAP, however, if they do, please create a message.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.