Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e33fc7179330093c966799ce6cf9029f2ff47da86e956884d4aabffd1a5fdb36:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^