Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f836ed1dfae47db7017bb0ec01004f7cdf40b0bd809c97e3f2fab83bb7688b33:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^