Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a3b9cf58ecc13b8eb22a9dde8a1505d61571110774b69311b64b3091d174f05:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^