Since 2015 December when is christmas update i got like more than 100mil but then i decide to leave i want to join back i got pretty much alot of stuffs and now i got nothing only 0$ and nothing on my inventory or bank plz help

Since 2015 December when is christmas update i got like more than 100mil but then i decide to leave i want to join back i got pretty much alot of stuffs and now i got nothing only 0$ and nothing on my inventory or bank plz help