The expression has requested a variable or an intermediate expressionresult as a simple value. However, the result cannot be converted to a simplevalue. Simple values are strings, numbers, boolean values, and date/timevalues. Queries, arrays, and COM objects are examples of complex values.
The most likely cause of the error is that you tried to use a complexvalue as a simple one.
core\packages\formtools\richtext.cfc (line: 323)