Real blow for the province and the players..
The rushed nature of the tournament revamp has seen its first major logistical hiccup today as two Leinster stars, Isa Nacewa and Jamison Gibson-Park have been denied access to South Africa.
South Africa changed their laws on New Zealand citizens last January, requiring them to have a visa when none had been previously needed.
The initial statement from Leinster was very vague.
The team arrived in South Africa this morning, however, captain Isa Nacewa and his fellow New Zealander Jamison Gibson-Park were refused entry by the customs at OR Tambo International Airport in Johannesburg.
However, they then revealed that the players had departed from the rest of the tour squad.
A Leinster statement read: "Leinster Rugby can confirm that both Jamison Gibson-Park and Isa Nacewa have not been granted a visa at this point in time and will as a result return to Dublin at the earliest opportunity".
Nick McCarthy has been called up to the touring squad as a result and will arrive tomorrow.
'Leinster Rugby will be making no further comment on this matter'.
Leinster Rugby are now breaking new ground as they travel to South Africa for two weeks to face off against the Kings and the Cheetahs in the PRO14.
Leinster's two fixed games in South Africa involve a six-day turnaround.