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So I'm checking if CurrentItem:field is empty or not, and so I put a log inside to figure out where the error was, heres what I got:

4/29/2013 1:53 PM Comment System Account 0;#
4/29/2013 1:53 PM Error System Account Coercion Failed: Unable to transform the input lookup data into the requested type.

here's my logic:

If CurrentItem:field is empty
 Log CurrentItem:POC
 Set Variable:variable_field to CurrentItem:field
 Log variable_field

I thought that designer could figure out that 0:# meant that a field was empty. Any suggestions or tips here?

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  1. Create new workflow variable
  2. Set CurrentItem:field value to newly created variable
  3. Check newly created variable is empty
  4. your next logic

This will work,

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Can't you just add and or statement to your check, where you check for "not equals 0;#" too.

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