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Cannot call action method 'Void GetFormExternalResources exception during MapMvcAttributeRoutes() after update to 4.24.3

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After updating forms to 4.23.3, my website throws the following exception during routeCollection.MapMvcAttributeRoutes():

System.ArgumentException: 'Cannot call action method 'Void GetFormExternalResources(System.Collections.Generic.List`1[System.String] ByRef, System.Collections.Generic.List`1[System.String] ByRef)' on controller 'EPiServer.Forms.Controllers.FormContainerBlockController' because the parameter 'System.Collections.Generic.List`1[System.String]& scripts' is passed by reference.
Parameter name: methodInfo'

Has anyone else encountered this, how to resolve the issue?

#204233
May 23, 2019 10:27
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Hi,

Which version you upgraded from ?

Method GetFormExternalResources is moved to pulblic from version 4.24.3 (protected -> public) and it still has the same parameter signature.

Do you have any custom code that calls the method ?

#204290
Edited, May 24, 2019 12:21
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Originally I've updated from 4.16.0, but I then tried updating gradually and up to 4.24.2 everything was working fine.

No, to my knowledge there isn't any code that calls the method.

#204291
May 24, 2019 12:27
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This should be a bug and we're working on it.

Thanks for letting us know !

#204372
May 29, 2019 12:35
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Hi, how is it going with the bug, have the same issue fter upgrading

#204793
Jun 18, 2019 13:42
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Forms 4.25.0 is now available on nuget feed and the bug has been fixed in this version.

#204930
Jun 21, 2019 11:39
This topic was created over six months ago and has been resolved. If you have a similar question, please create a new topic and refer to this one.
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