Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b448a096070edc0637f1eeac8a7cddbfd76e8608ab092224cfb1879f08d13c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^