Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9d02bb5b9b03dab4a721c736b3dc52f3173f34d1721f7f2fa39e70fc51d67189:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^