Running into tricky error. Problem: An invalid expression has been

mikec over 10 years ago

Running into tricky error.

Problem: An invalid expression has been encountered in a task.
Details: Invalid Cast: Cannot cast from type 'Boolean' to type 'Date' (Data Inputs)
Recommended Action: Check the expression including any function requirements and resume.
Priority of this problem: High Priority

Any ideas on what causes this?
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Discussion posts and replies are publicly visible

0 Alicia-Jane Dunn over 10 years ago

Mike, Can you provide an example of your expression? It appears the expression is returning a Boolean value, when the desired and required format is a Date.
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0 Sathya Srinivasan
Appian Employee
over 10 years ago

From the error, it seems you are trying to treat a Boolean variable as a 'Date' variable in an expression. I would look into the corresponding rule and make sure the value passed is of the correct data-type. Test the rule from the rules interface first. If that works as expected, check the data type you are passing into the rule (from the process). Hope this helps.
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