# Reasons for IsValid() false?
**URL:** https://qa.fmod.com/t/reasons-for-isvalid-false/19357
**Category:** Unity
**Tags:** unity
**Created:** [October 3, 2022, 9:38pm UTC](https://qa.fmod.com/t/reasons-for-isvalid-false/19357 "2022-10-03T21:38:40Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@visumecadroide](https://qa.fmod.com/u/visumecadroide)
#### Post date: [October 3, 2022, 9:38pm UTC](https://qa.fmod.com/t/reasons-for-isvalid-false/19357/1 "2022-10-03T21:38:40Z")
Hello, I would like to know in which cases an EventInstance returns isValid() false, what to check when it happens and how to solve it.
Because I have a case of IsValid() false, I spent hours searching online and no-one seems to talk about it (I guess someone explained it somewhere but I cannot find it).
Thanks.
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### Author:  [@tamachan87](https://qa.fmod.com/u/tamachan87)
#### Post date: [October 5, 2022, 7:02am UTC](https://qa.fmod.com/t/reasons-for-isvalid-false/19357/2 "2022-10-05T07:02:34Z")
If an event instance is returning that it’s not valid that usually means it’s been released. For example, this can be if you play an event instance as a oneShot and it naturally plays out, or if the bank it’s from is unloaded, or if it has been destroyed in a scene change.
It will be best to record a Live Update profile session and monitor that particular event instance to see when it becomes invalid.
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### Author:  [@visumecadroide](https://qa.fmod.com/u/visumecadroide)
#### Post date: [October 5, 2022, 7:23am UTC](https://qa.fmod.com/t/reasons-for-isvalid-false/19357/3 "2022-10-05T07:23:49Z")
OK, thank you for the explanation.