The main SAP tcodes for Goods Issue (GI) depend on the type of process you're performing. Here are the most commonly used ones:
General Goods Issue:
MB1A – Goods Withdrawal (older but still used)
MIGO – Modern transaction for all goods movements, including Goods Issue
In MIGO, choose:
Goods Issue as the transaction
Reference document like Order, Reservation, etc.
Production Order Goods Issue:
COGI – Postprocessing of Automatic Goods Movements (for errors)
MB1A with Movement Type 261 – Goods Issue to Production Order