Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd365ef7cf24a1ebd9d4d808c745fb8e527f14821dcc0570938fea7384c7d243:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^