Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 215627bf2bc3da9ae8324b3530c3ec1ff7f76265f3fbc65da817ddfca4505c0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^