2019.2.17 - multiple 'Assertion failed on expression' errors when compiling

Hi there,

I've just updated from 2019.2.12 to 2019.2.17 and now getting these assertion errors when compiling? does anyone know what might cause this, know if its a known error, or know if this is going to cause runtime issues?? here are the errors (it logged the same two twice like this):

Assertion failed on expression: 'pluginAppendices.size() <= 1'
Assertion failed on expression: 'audioAppendices.size() <= 1'
Assertion failed on expression: 'pluginAppendices.size() <= 1'
Assertion failed on expression: 'audioAppendices.size() <= 1'

all coming from:
UnityEditor.BuildPipeline:BuildAssetBundles(String, BuildAssetBundleOptions, BuildTarget)

Thanks,

 

Dd you install the same modules you had installed with 2019.2.12, updated all your assets and so on?

 

Yup, same modules. Plugins used are minimal, but yup I also checked these and updated any that had updates. When searching the forum for similar issues it seems this came up in 2017.x versions of unity but it’s unclear what causes it.

 

Did you remove the Library folder before upgrading your project?

If not, get back to the version of your project that was made with 2019.2.12, remove the Library folder and redo the whole upgrading operation.

 

I've only just gotten around to trying this, but no that hasn't helped unfortunately. Freshly imported Library from scratch and still getting these same Assertions when compiling to the iOS platform using 2019.2.17.

 

anyone from Unity, any idea whats causing this??

 

and I can confirm this is still happening in 2019.2.18:

 

it'd be great to get some kind of advice about what to do, it's been 5 weeks since I posted this and no progression or any indication that someone has seen this

 

?

 

Best bet is to file a bug. I have the same issue. No idea what's causing it.