NoMethodError when creating new ActiveRecord model object

the strangest thing is happening...i'm not getting this every time, maybe 1/3 of the time, identical requests...

i'm a rails newbie, but i think i'm trying pretty standard stuff, this is an excerpt from the log:

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...

NoMethodError (undefined method `email_config_id=' for #<EmailRecipient:0x463caa0 @new_record=true, @attributes={}>):

...

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my tables:

...

db2 => describe table whitecap.email_recipients

EMAIL_CONFIG_ID SYSIBM INTEGER 4

I've never used the db2 adapter, but is there perhaps a case sensitivity issue in play here?

What happens if in script/console you enter EmailRecipient.column_names

Strange! If you figure this out, please let us know. Sorry but I'm out of ideas at the moment.