Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c8d73431ae44807f56bb5c9b94cd24e00dfd6008d92566912f98276f5fcd5c3:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^