Too many selection criteria entered

What causes this issue?

You have entered more than 50 selection criteria for one object in the
logical database and also entered further selection criteria for
another object.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Reduce the number of selection criteria per object, if you want to
select for more than one object in the database.

Error message extract from SAP system. Copyright SAP SE.