Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f9ea9e7e651f6c1b6e49fec1f68da9c7e6be8431977259bd32d800d071867bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^