Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f56aaaf2e0193df4127d7ab18540ef9b9d9f174623dce5f2aa7cf9e6c414e13:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^