Complex sentence: The franchise originally intended to begin play in Allentown in 2013, however, due to litigation over the construction of the PPL Center they did not play until the 2014--15 AHL season.
Split into simpler sentences: The franchise originally intended to begin play in Allentown in 2013. However, due to litigation over the construction of the PPL Center, they did not play until the 2014--15 AHL season.