Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68300e145aeb28d254c1e265f05d8ed2e69c58ac79324fa715f55381b77c9192:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^