Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ce739df61813fcefe941e76802e05215babe2f56b31c75eb2d0bfcb0ae93fbcb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^