Sharepoint Designer 2007 workflow error occurred on Update List Item when field type is Person/Group

Issue:
Sharepoint Designer 2007 workflow error occurred on Update List Item when field type is Person/Group
Solution:
Follow these steps to find an alternate solution:

• Add a new workflow variable of type string.
• Add a new workflow step at the begining of the workflow.
• Copy the value from the people field to the variable.
• Use the build dynamic string action to add this string to the beginning of the variable -1;# (and the original value of the variable after the string using a lookup)
• Use the variable in the action that require the value from the people field.