Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0c15f28aefb8286a085afc2bd5ae4c551d128a00cbde5d4b2867b2bf8455a79e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^