Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a861faef70d1d65218d1d527bb54e7c1cb3ea65986f578f7cb2f195b417ba916:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^