Over at azurecurve, Ian Grieve looks at an Integration Manager Error: Source Document ‘GJ’ Does Not Exist
Integration Manager Error: Source Document ‘GJ’ Does Not Exist | azurecurve
Development & IntegrationInstall, Upgrade & AdminMicrosoft & the GP Ecosystem
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.