Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2c6e98f357e0399ae9029f500160de8750a22a162c3b1bd706e4bcab74df70cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^