CKEditor module lead to"warning: array_keys() expects parameter 1 to be array......"

I install CKEditor module,everything is OK,but meet some trouble like the following refer to ........

* warning: array_keys() expects parameter 1 to be array, null given in E:\xampp\htdocs\opensource\modules\color\color.module on line 138.
* warning: array_shift() expects parameter 1 to be array, null given in E:\xampp\htdocs\opensource\modules\color\color.module on line 139.

who can tell me ...how to resolve?

thanks very much!