problem with the last step

[lanavi017]

Hi,

I am working modelling an earth dam, with a sequence of construction, but i have a problem in the last step, it say "FIXED TIME INCREMENT IS TOO LARGE". I had changed a lot of times the time increment, but it don't work, then i use a adaptive mesh, but it can be used with certain elements..i don't know that else can i do...please help me..attachment is the .inp file with my model...i hope you run it and can help me to solve the problem...thanks

 

[lanavi017]

i forget attach the other files that need the model

 

[lanavi017]

this is the other file