SAP Message BRAIN418 - Variable &1 (&2) does not exist or is incorrectly used &3 &4

Diagnosis
Variable &V1& (&V2&) was found in the query but in the meantime it hasbeen deleted, or it has been used incorrectly.

System Response
The query was not executed.

Procedure
Use the Query Designer to change the query. The system provides arepair proposal for the query if the variable is missing.
If the variable exists and is used incorrectly, find out whether or notthe variable is used in the correct context.
The faulty variable has variable type &V3&. You can use the followingvariable types in the following contexts:
Characteristic value variable- can be used to restrict (filter)characteristics to values (master data), in other words, in the sameplaces where you can also use constant characteristic values.
Hierarchy node variable - can be used to restrict (filter)characteristics on hierarchy nodes, in other words, in the same placeswhere you can also use constant hierarchy nodes.
Text variable- can be used in the query headers and can be used bystructure elements.
Formula variable- can be used in all cases. Note: Formula variables canhave units or be without them. Incorrect use can also arise here sincethe system always calculates in accordance with the units. Formulavariables can also be used to create the upper and lower limits inexceptions.
Hierarchy variable- can be used to determine presentation and selectionhierarchies, in other words, in the same places where you can also iseconstant hierarchy names.
Try to find the faulty variables in the query and analyze the reasonsbehind their incorrect use.
You can delete the query if you no longer need it.
Additional technical info:
ELTUID = &V4&