Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 76f8bc1244f3bc0d404f25638e0201f65bb9f72094022bd56d132cb6e5acceba:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^