Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f61b1d13df54a710e40b36dfec67ea7d6cf49201b3d321cb6727f235651a8f72:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^