What is the meaning of FoTF in this sentence?

[hanna_choi]

Dear 

I don't understand it.

Sentence recorded in the Qlik Sense release note.

What is the meaning of FoTF in this sentence?

"Some FoTF in SetExp not always evaluated correct"

Please explain it.

[Mike_Dickson · Accepted solution]

Hello,

FoTF = Fields on the Fly

https://help.qlik.com/en-US/sense-developer/May2021/Subsystems/EngineAPI/Content/Sense_EngineAPI/Wor...

[hanna_choi]

Thank you

👍

[saetolin]

I think, its meaning is to Evaluating the function timed out and needed to be aborted in an unsafe way. This may have corrupted the target process.