Final answer:
The common side effect of the ERCP procedure is pancreatitis, which is inflammation of the pancreas and can cause abdominal pain, nausea, and vomiting.
Step-by-step explanation:
The common side effect of the ERCP procedure is pancreatitis. Pancreatitis is inflammation of the pancreas and can cause abdominal pain, nausea, and vomiting. It is an uncommon but potentially serious complication of the ERCP procedure.