To get rid of the
"This inegration cannot be run because of the following problem: - Source Field '2.Account' not found - used for 'Use Source Field' Rule on field 'Entries.Account Number'."
error message, within GP, go to tools > options
In the Default Integration Manager Database type in: \\jlagp01\GPShare\IM\Converted_IM.imd
Click ok and restart GP