Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3cee5eba54da32f02f4cac5ebca61c7ed0db9512a12c6f889b1d3c11d9c5165:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^