Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31bf7e1aeea27b5bab2b684f92c94ed11f52e3a33b464dde106078965eb5a951:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^