An early morning train on the Stoughton line was cancelled Wednesday due to a "mechanical issue,'' according to Keolis Commuter Services, the operator of the MBTA’s commuter rail system.

Stoughton line train 900 was supposed to depart at 6:15 a.m. from Stoughton. The next inbound train from Stoughton is scheduled to be Train 902, which is set to depart at 6:45 a.m., officials tweeted.

Using the official Twitter account of @MBTA_CR, Keolis also tweeted that Providence train 804, which left Providence at 6 a.m., was going to stop at Canton Junction (at Platform B) and Hyde Park to accommodate passengers of cancelled Train 900.


A delay was also reported on the Franklin line Wednesday morning.

At 5:36 a.m. officials tweeted that Franklin line train 701 (which was supposed to leave South Station at 4:15 a.m., was operating 25-35 minutes late between Walpole and Forge Park/495 “due to a switch issue and train traffic.”

Emily Sweeney can be reached at emily.sweeney@globe.com. Follow her on Twitter @emilysweeney.