Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> be04b13a7a66464a07f427f2b6949dfe27a85e61105b50c5f37a6628a4764e2e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^