For ALL_VALUES , Output not showing in custom narrative visual

[Mehak]

Why i m getting this error “Expect testExpression to represent a boolean, but was:” . I have created custom narrative , Its showing the output in preview section but not displaying on the visual itself .
The condition i give used parameter values and its showing correct output but for “ALL_VALUES” , output is not getting displayed in visual but for rest of the values out is getting displayed .

[Mehak]

but for ALL_VALUES, In visual its not showing output

[Mehak]

for rest of them , output is

[Max]

Wait so when you say select all it is failing? On every other one it’s working?

What is your reserved value?

[Mehak]

Hi, I resolved the issue , On setting the reserved value as ‘All’ it worked