Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28bfbf0a74023f5a5421479f9a5faed7ba609e80f13f1a8cd40b2f9f33a60019:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^