Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b790e3cec3a6012fa8a2c206d80cd2ab405933245c85adde1aa7e5841acbdac:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^