Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1918557dbc61a74dcd2b3d0eb2f2b2f644f045b2b3fbd5eaf2bac34565fdb061:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^