Parameter &1 cannot be used in path filter - see long text

What causes this issue?

The annotation @Analytics.query indicates that the CDS view is used for
the generation of a BW query. In this case<(>,<)> usage of path filters
is limited. In particular<(>,<)> parameters can only be used in the
following cases:
A single parameter of type date can be used to represent the key date
for time-dependent attributes for example
Language parameters can be used for text attributes. Since in the logon
language is always used in BW queries, these parameters need to be
hidden (annotation @Consumption.hidden) and set to the logon language
(annotation @Environment.systemDefault: #SYSTEM_LANGUAGE)

System Response

Correct the CDS view accordingly.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.