1. The document describes an issue where FI follow-on documents or MM documents are missing when invoices are posted using Logistics Invoice Verification. This can occur if commits or rollbacks are used in custom code or user exits. 2. It provides several recommendations to check for commits, rollbacks, or other issues in custom code like user exits or BAdIs that could cause inconsistencies. 3. The solution involves removing any commits or rollbacks from custom code, checking for issues in specific areas like user exits or workflows, and implementing notes that address related problems.