Coldfusion 2018 update 11 error

[John Gillis]

After installing the update, form variables being sent as a list, cannot be read as a simple values, they are now being sent as arrays.

error message is 

 Complex object types cannot be converted to simple values

[Charlie Arehart]

It's not clear. Are you saying that you did add that sameformfieldsasarray="false" into your cfapplication tag in application.cfm, as I showed above. If you did, you should not get the error any more. Please clarify.

[BKBK]

@sgean01 : ... the only CFAPPLICATION tag that exists is there.

this is a very old (and large) website that has moved up from CF10 to CF11 to CF2018.    All I can say about it is that when hotfix11 is installed, I receive that error at various places in my code...

As others have said, one solution is to place the attribute in the tag:

<cfapplication sameFormFieldAsArray="false" etc. >

[Charlie Arehart]

Ah, Shawn. There is now an explanation for why it didn't work for you. The attribute is sameformfieldsasarray (with an s after field). I was mistaken in my first reply to this thread a couple weeks ago, and we only came to realize the mistake thanks to a comment here from Benjamin.

I've corrected my first reply and added a reply thanking him, with apologies to all. 

[Charlie Arehart]

As an update on all this, and an FYI to those who maybe didn't notice: update 12 (of CF2018) and update 2 (of cf2021) did revert the behavior back to defaulting sameformfieldsasarray to false.